diff --git a/sync-exclude.lst b/sync-exclude.lst
index 7fc41b8b1..402f44321 100644
--- a/sync-exclude.lst
+++ b/sync-exclude.lst
@@ -2,6 +2,7 @@
 *~
 *.bak
 *.part
+*.crdownload
 
 *.unison*
 *csync_timedif.ctmp*