diff --git a/ChangeLog.d/fix-win32-llvm-build.txt b/ChangeLog.d/fix-win32-llvm-build.txt
new file mode 100644
index 000000000..826551ccf
--- /dev/null
+++ b/ChangeLog.d/fix-win32-llvm-build.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Fix builds on Windows with clang
diff --git a/library/aesni.c b/library/aesni.c
index 9d1c0f135..3e3dccb8a 100644
--- a/library/aesni.c
+++ b/library/aesni.c
@@ -35,6 +35,8 @@
 #if MBEDTLS_AESNI_HAVE_CODE == 2
 #if !defined(_WIN32)
 #include <cpuid.h>
+#else
+#include <intrin.h>
 #endif
 #include <immintrin.h>
 #endif