diff --git a/kernel/audit.c b/kernel/audit.c
index e092f1c0ce30..6d903182c6b7 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1366,7 +1366,7 @@ int audit_string_contains_control(const char *string, size_t len)
 {
 	const unsigned char *p;
 	for (p = string; p < (const unsigned char *)string + len && *p; p++) {
-		if (*p == '"' || *p < 0x21 || *p > 0x7f)
+		if (*p == '"' || *p < 0x21 || *p > 0x7e)
 			return 1;
 	}
 	return 0;