diff --git a/libafl_targets/src/libfuzzer_compatibility.c b/libafl_targets/src/libfuzzer_compatibility.c
index 489e9f3b31..6af25f03f2 100644
--- a/libafl_targets/src/libfuzzer_compatibility.c
+++ b/libafl_targets/src/libfuzzer_compatibility.c
@@ -16,7 +16,8 @@ EXT_FUNC_IMPL(LLVMFuzzerTestOneInput, int, (uint8_t *Data, size_t Size), false)
   return 0;
 }
 
-void libafl_main(void);
+EXT_FUNC_IMPL(libafl_main, void, (void), false) {
+}
 EXT_FUNC_IMPL(main, int, (int argc, char** argv), false) {
   libafl_main();
   return 0;