diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b17b9f..765be02 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,6 +34,13 @@ if (VUL_WERROR)
     endif()
 endif()
 
+if(${CMAKE_CXX_COMPILER_ID} MATCHES "(GNU|Clang)")
+    add_compile_options(
+        -Wall
+        -Wextra
+    )
+endif()
+
 add_subdirectory(src)
 add_subdirectory(include)
 
diff --git a/src/vk_layer_settings.cpp b/src/vk_layer_settings.cpp
index 28663a2..01d20df 100644
--- a/src/vk_layer_settings.cpp
+++ b/src/vk_layer_settings.cpp
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2015-2023 The Khronos Group Inc.
- * Copyright (c) 2015-2023 Valve Corporation
- * Copyright (c) 2015-2023 LunarG, Inc.
+ * Copyright (c) 2023 The Khronos Group Inc.
+ * Copyright (c) 2023 Valve Corporation
+ * Copyright (c) 2023 LunarG, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -57,7 +57,7 @@ static std::string format(const char *message, ...) {
     std::size_t const STRING_BUFFER(4096);
 
     assert(message != nullptr);
-    assert(strlen(message) >= 0 && strlen(message) < STRING_BUFFER);
+    assert(strlen(message) >= 1 && strlen(message) < STRING_BUFFER);
 
     char buffer[STRING_BUFFER];
     va_list list;