--- shell/ash.c
+++ shell/ash.c
@@ -9319,8 +9319,15 @@
 {
 	char *name;
 
+#if 0
+	/*
+	 * Freetz: revert https://git.busybox.net/busybox/commit/?id=ef2386b80abfb22ccb697ddbdd4047aacc395c50
+	 * Reason: some AVM scripts use "local foo=" at scope level 0, i.e. outside of any function
+	 *         it's easier to revert the busybox commit than to determine and to patch all AVM scripts
+	 */
 	if (!funcnest)
 		ash_msg_and_raise_error("not in a function");
+#endif
 
 	argv = argptr;
 	while ((name = *argv++) != NULL) {