diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 306cbc1..2e35d4b 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -1109,7 +1109,7 @@
 	int i, cnt;
 
 	for_all_symbols(i, sym) {
-		if (sym_has_value(sym))
+		if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID))
 			continue;
 		switch (sym_get_type(sym)) {
 		case S_BOOLEAN: