diff --git a/quickjs-libc.c b/quickjs-libc.c
index f9af760e3..063af571f 100644
--- a/quickjs-libc.c
+++ b/quickjs-libc.c
@@ -3115,7 +3115,7 @@ static js_once_t js_os_exec_once = JS_ONCE_INIT;
 
 static void js_os_exec_once_init(void)
 {
-    js_os_exec_closefrom = dlsym(RTLD_DEFAULT, "closefrom");
+     *(void **) (&js_os_exec_closefrom) = dlsym(RTLD_DEFAULT, "closefrom");
 }
 
 #endif