1 files changed, 1 insertions, 2 deletions
diff --git a/sysif.c b/sysif.c
index 518f145f..3f25bb7e 100644
--- a/sysif.c
+++ b/sysif.c
@@ -405,8 +405,7 @@ static val ensure_dir(val path, val mode)
     if (!split_path)
       break;
 
-    partial_path = format(nil, lit("~a~a~a"),
-                          partial_path, sep, pop(&split_path), nao);
+    partial_path = scat3(partial_path, sep, pop(&split_path));
   }
 
   if (integerp(ret)) {