diff --git a/src/undo.c b/src/undo.c
index a2861d5..f9e735a 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -1393,7 +1393,7 @@
     }
     else
 #endif
-	vim_snprintf((char *)buf, buflen, "%ld seconds ago",
+	vim_snprintf((char *)buf, buflen, _("%ld seconds ago"),
 						     (long)(time(NULL) - tt));
 }