diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1afca94..9004842 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -202,7 +202,7 @@ else()
 
 	if(${PROJECT_NAME}_NOSTDLIB_FLAGS STREQUAL "Auto")
 		if(MSVC)
-			target_compile_definitions(${PROJECT_NAME} PRIVATE Z80_WITH_WINDOWS_DLL_MAIN_CRT_STARTUP)
+			target_compile_definitions(${PROJECT_NAME} PRIVATE Z80_WITH_DLL_MAIN_CRT_STARTUP)
 			target_link_options(${PROJECT_NAME} PRIVATE "/NODEFAULTLIB")
 		elseif(APPLE)
 			if(CMAKE_C_COMPILER_ID MATCHES "^(AppleClang|Clang|GNU)$")
diff --git a/sources/Z80.c b/sources/Z80.c
index 7187694..69542d1 100644
--- a/sources/Z80.c
+++ b/sources/Z80.c
@@ -2932,7 +2932,7 @@ Z80_API zusize z80_run(Z80 *self, zusize cycles)
 	}
 
 
-#ifdef Z80_WITH_WINDOWS_DLL_MAIN_CRT_STARTUP
+#ifdef Z80_WITH_DLL_MAIN_CRT_STARTUP
 	int Z_MICROSOFT_STD_CALL _DllMainCRTStartup(void *hDllHandle, unsigned long dwReason, void *lpReserved)
 		{return 1;}
 #endif