diff --git a/src/writeout.c b/src/writeout.c
index 5d8d7428b214f3ea2071f39f8ea85fd792c06de0..a92dab715bd6c66ce5f7256333fd37f0e55b5da5 100644
--- a/src/writeout.c
+++ b/src/writeout.c
@@ -80,7 +80,7 @@ static struct variable replacements[]={
   {"speed_download", VAR_SPEED_DOWNLOAD},
   {"speed_upload", VAR_SPEED_UPLOAD},
   {"content_type", VAR_CONTENT_TYPE},
-  {NULL, 0}
+  {NULL, VAR_NONE}
 };
 
 void ourWriteOut(CURL *curl, char *writeinfo)