diff --git a/sys/arm64/arm64/copystr.c b/sys/arm64/arm64/copystr.c
index 008fdd1b5645..ebb4acddfbaf 100644
--- a/sys/arm64/arm64/copystr.c
+++ b/sys/arm64/arm64/copystr.c
@@ -56,6 +56,6 @@ copystr(const void * __restrict kfaddr, void * __restrict kdaddr, size_t len,
 	if (lencopied != NULL)
 		*lencopied = pos;
 
-	return (0);
+	return (error);
 }