diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 5cdc8f5e6446..f0fb64790992 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -46,7 +46,9 @@ void set_all_choice_values(struct symbol *csym);
 /* confdata.c and expr.c */
 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
 {
-	assert(len != 0);
+	//assert(len != 0);
+	if (len == 0)
+		return;
 
 	if (fwrite(str, len, count, out) != count)
 		fprintf(stderr, "Error in writing or end of file.\n");