diff --git a/source/blender/gpu/glsl_preprocess/glsl_preprocess.hh b/source/blender/gpu/glsl_preprocess/glsl_preprocess.hh
index 0f37b377b20..da8cc5bfc58 100644
--- a/source/blender/gpu/glsl_preprocess/glsl_preprocess.hh
+++ b/source/blender/gpu/glsl_preprocess/glsl_preprocess.hh
@@ -212,6 +212,9 @@ class Preprocessor {
     }
     str = remove_comments(str, report_error);
     threadgroup_variables_parsing(str);
+    if (language == BLENDER_GLSL || language == CPP) {
+      str = disabled_code_mutation(str, report_error);
+    }
     parse_builtins(str, filename);
     if (language == BLENDER_GLSL || language == CPP) {
       if (do_parse_function) {
@@ -221,7 +224,6 @@ class Preprocessor {
         pragma_runtime_generated_parsing(str);
         pragma_once_linting(str, filename, report_error);
       }
-      str = disabled_code_mutation(str, report_error);
       str = include_parse_and_remove(str, report_error);
       str = pragmas_mutation(str, report_error);
       str = swizzle_function_mutation(str, report_error);