diff --git a/src/filesystem/android/SDL_sysfilesystem.c b/src/filesystem/android/SDL_sysfilesystem.c
index d1189379b2..350ee06278 100644
--- a/src/filesystem/android/SDL_sysfilesystem.c
+++ b/src/filesystem/android/SDL_sysfilesystem.c
@@ -25,6 +25,8 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 #include <unistd.h>
 
 char *SDL_SYS_GetBasePath(void)
diff --git a/src/filesystem/cocoa/SDL_sysfilesystem.m b/src/filesystem/cocoa/SDL_sysfilesystem.m
index 56542f6627..e01c52c023 100644
--- a/src/filesystem/cocoa/SDL_sysfilesystem.m
+++ b/src/filesystem/cocoa/SDL_sysfilesystem.m
@@ -25,6 +25,8 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 #include <Foundation/Foundation.h>
 #include <sys/stat.h>
 #include <sys/types.h>
diff --git a/src/filesystem/dummy/SDL_sysfilesystem.c b/src/filesystem/dummy/SDL_sysfilesystem.c
index b870efd190..e7d32b3198 100644
--- a/src/filesystem/dummy/SDL_sysfilesystem.c
+++ b/src/filesystem/dummy/SDL_sysfilesystem.c
@@ -25,6 +25,8 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 char *SDL_SYS_GetBasePath(void)
 {
     SDL_Unsupported();
diff --git a/src/filesystem/dummy/SDL_sysfsops.c b/src/filesystem/dummy/SDL_sysfsops.c
index 63bd709a4b..cad93bdbf0 100644
--- a/src/filesystem/dummy/SDL_sysfsops.c
+++ b/src/filesystem/dummy/SDL_sysfsops.c
@@ -23,6 +23,9 @@
 
 #if defined(SDL_FSOPS_DUMMY)
 
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
 #include "../SDL_sysfilesystem.h"
 
 int SDL_SYS_EnumerateDirectory(const char *path, const char *dirname, SDL_EnumerateDirectoryCallback cb, void *userdata)
diff --git a/src/filesystem/emscripten/SDL_sysfilesystem.c b/src/filesystem/emscripten/SDL_sysfilesystem.c
index 37e11c10d2..4e4d03c996 100644
--- a/src/filesystem/emscripten/SDL_sysfilesystem.c
+++ b/src/filesystem/emscripten/SDL_sysfilesystem.c
@@ -24,6 +24,9 @@
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
+
+#include "../SDL_sysfilesystem.h"
+
 #include <errno.h>
 #include <sys/stat.h>
 
diff --git a/src/filesystem/gdk/SDL_sysfilesystem.cpp b/src/filesystem/gdk/SDL_sysfilesystem.cpp
index 961901c72d..fe9f13e2af 100644
--- a/src/filesystem/gdk/SDL_sysfilesystem.cpp
+++ b/src/filesystem/gdk/SDL_sysfilesystem.cpp
@@ -20,10 +20,11 @@
 */
 #include "SDL_internal.h"
 
-
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 #include "../../core/windows/SDL_windows.h"
 #include <SDL3/SDL_hints.h>
 #include <SDL3/SDL_system.h>
diff --git a/src/filesystem/n3ds/SDL_sysfilesystem.c b/src/filesystem/n3ds/SDL_sysfilesystem.c
index e6ba5454cd..c8d3665d17 100644
--- a/src/filesystem/n3ds/SDL_sysfilesystem.c
+++ b/src/filesystem/n3ds/SDL_sysfilesystem.c
@@ -25,6 +25,8 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 #include <3ds.h>
 #include <dirent.h>
 #include <errno.h>
diff --git a/src/filesystem/posix/SDL_sysfsops.c b/src/filesystem/posix/SDL_sysfsops.c
index 857782eb6e..7f73b29bd0 100644
--- a/src/filesystem/posix/SDL_sysfsops.c
+++ b/src/filesystem/posix/SDL_sysfsops.c
@@ -23,14 +23,17 @@
 
 #if defined(SDL_FSOPS_POSIX)
 
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
+#include "../SDL_sysfilesystem.h"
+
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
 #include <dirent.h>
 #include <sys/stat.h>
 
-#include "../SDL_sysfilesystem.h"
-
 int SDL_SYS_EnumerateDirectory(const char *path, const char *dirname, SDL_EnumerateDirectoryCallback cb, void *userdata)
 {
     int retval = 1;
diff --git a/src/filesystem/ps2/SDL_sysfilesystem.c b/src/filesystem/ps2/SDL_sysfilesystem.c
index 1f9f3eb435..a1c7e46d08 100644
--- a/src/filesystem/ps2/SDL_sysfilesystem.c
+++ b/src/filesystem/ps2/SDL_sysfilesystem.c
@@ -20,14 +20,16 @@
 */
 #include "SDL_internal.h"
 
-#include <sys/stat.h>
-#include <unistd.h>
-
 #ifdef SDL_FILESYSTEM_PS2
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
+#include <sys/stat.h>
+#include <unistd.h>
+
 char *SDL_SYS_GetBasePath(void)
 {
     char *retval = NULL;
diff --git a/src/filesystem/psp/SDL_sysfilesystem.c b/src/filesystem/psp/SDL_sysfilesystem.c
index 9019abbd59..37cc65e44b 100644
--- a/src/filesystem/psp/SDL_sysfilesystem.c
+++ b/src/filesystem/psp/SDL_sysfilesystem.c
@@ -20,14 +20,16 @@
 */
 #include "SDL_internal.h"
 
-#include <sys/stat.h>
-#include <unistd.h>
-
 #ifdef SDL_FILESYSTEM_PSP
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
+#include <sys/stat.h>
+#include <unistd.h>
+
 char *SDL_SYS_GetBasePath(void)
 {
     char *retval = NULL;
diff --git a/src/filesystem/riscos/SDL_sysfilesystem.c b/src/filesystem/riscos/SDL_sysfilesystem.c
index 6c13ea55c7..ac5c3c0c70 100644
--- a/src/filesystem/riscos/SDL_sysfilesystem.c
+++ b/src/filesystem/riscos/SDL_sysfilesystem.c
@@ -25,6 +25,8 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 #include <kernel.h>
 #include <swis.h>
 #include <unixlib/local.h>
diff --git a/src/filesystem/unix/SDL_sysfilesystem.c b/src/filesystem/unix/SDL_sysfilesystem.c
index 5550b3201c..ab7d748cdc 100644
--- a/src/filesystem/unix/SDL_sysfilesystem.c
+++ b/src/filesystem/unix/SDL_sysfilesystem.c
@@ -25,6 +25,8 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 #include <stdio.h>
 #include <sys/stat.h>
 #include <sys/types.h>
diff --git a/src/filesystem/vita/SDL_sysfilesystem.c b/src/filesystem/vita/SDL_sysfilesystem.c
index 1bcde3a000..fb6000d3d7 100644
--- a/src/filesystem/vita/SDL_sysfilesystem.c
+++ b/src/filesystem/vita/SDL_sysfilesystem.c
@@ -25,6 +25,8 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 #include <errno.h>
 #include <stdio.h>
 #include <unistd.h>
diff --git a/src/filesystem/windows/SDL_sysfilesystem.c b/src/filesystem/windows/SDL_sysfilesystem.c
index 5d18bf56c2..8c591a88fb 100644
--- a/src/filesystem/windows/SDL_sysfilesystem.c
+++ b/src/filesystem/windows/SDL_sysfilesystem.c
@@ -25,6 +25,8 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 /* System dependent filesystem routines                                */
 
+#include "../SDL_sysfilesystem.h"
+
 #include "../../core/windows/SDL_windows.h"
 #include <shlobj.h>
 #include <initguid.h>
diff --git a/src/filesystem/windows/SDL_sysfsops.c b/src/filesystem/windows/SDL_sysfsops.c
index 04f8090fc4..6fe9e19c2d 100644
--- a/src/filesystem/windows/SDL_sysfsops.c
+++ b/src/filesystem/windows/SDL_sysfsops.c
@@ -23,6 +23,9 @@
 
 #if defined(SDL_FSOPS_WINDOWS)
 
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
 #include "../../core/windows/SDL_windows.h"
 #include "../SDL_sysfilesystem.h"
 
diff --git a/src/filesystem/winrt/SDL_sysfilesystem.cpp b/src/filesystem/winrt/SDL_sysfilesystem.cpp
index e63b55bc6d..2bd7c5bb44 100644
--- a/src/filesystem/winrt/SDL_sysfilesystem.cpp
+++ b/src/filesystem/winrt/SDL_sysfilesystem.cpp
@@ -25,6 +25,9 @@
 
 #ifdef SDL_PLATFORM_WINRT
 
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+/* System dependent filesystem routines                                */
+
 extern "C" {
 #include "../../core/windows/SDL_windows.h"
 #include "../SDL_sysfilesystem.h"