diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 0d419b2c4ac5..ece3a5b9bfa9 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -315,6 +315,7 @@ static void sym_warn_unmet_dep(struct symbol *sym)
 			       "  Selected by [m]:\n");
 
 	fputs(str_get(&gs), stderr);
+	str_free(&gs);
 	sym_warnings++;
 }