diff --git a/src/core.c b/src/core.c
index f9f3d35e..97eebbdd 100644
--- a/src/core.c
+++ b/src/core.c
@@ -25623,7 +25623,7 @@ __dll_export
 };
 
 #ifdef __SANITIZE_ADDRESS__
-LIBMDBX_API __attribute__((__weak__)) const char *__asan_default_options() {
+LIBMDBX_API __attribute__((__weak__)) const char *__asan_default_options(void) {
   return "symbolize=1:allow_addr2line=1:"
 #if MDBX_DEBUG
          "debug=1:"