diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 795ac6c9378f1..958be12cd621a 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -454,7 +454,7 @@ int conf_read_simple(const char *name, int def)
 			if (!p)
 				continue;
 			*p++ = 0;
-			if (strncmp(p, "is not set", 10))
+			if (strcmp(p, "is not set"))
 				continue;
 
 			val = "n";