diff --git a/cmake/CompileDefinitions.cmake b/cmake/CompileDefinitions.cmake
index b07503c16..36062b309 100644
--- a/cmake/CompileDefinitions.cmake
+++ b/cmake/CompileDefinitions.cmake
@@ -54,6 +54,7 @@ if (${CUSTOMIZE_BUILD})
     define_if("raylib" SUPPORT_FILEFORMAT_MOD)
     define_if("raylib" SUPPORT_FILEFORMAT_FLAC)
     define_if("raylib" SUPPORT_FILEFORMAT_MP3)
+    define_if("raylib" SUPPORT_STANDARD_FILEIO)
     define_if("raylib" SUPPORT_TRACELOG)
     define_if("raylib" SUPPORT_COMPRESSION_API)