diff --git a/lib/urldata.h b/lib/urldata.h
index 64d883b9e7e9cfeae978dc4b043a9e679e3caf02..fd38d3e4f302a52b427adb62a731588cdc7c38e4 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -943,7 +943,7 @@ struct UrlState {
   /* for FTP downloads: track CRLF sequences that span blocks */
   bool prev_block_had_trailing_cr;
   /* for FTP downloads: how many CRLFs did we converted to LFs? */
-  size_t crlf_conversions;
+  curl_off_t crlf_conversions;
 #endif
 };