diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 2ba4dfdd1aeee..556b7f087dbb5 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -426,6 +426,8 @@ int conf_read_simple(const char *name, int def)
 		conf_lineno++;
 		sym = NULL;
 		if (line[0] == '#') {
+			if (line[1] != ' ')
+				continue;
 			if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
 				continue;
 			p = strchr(line + 2 + strlen(CONFIG_), ' ');