diff --git a/macosx/BlocklistDownloader.m b/macosx/BlocklistDownloader.m
index bfbc67fa9..90e432ef6 100644
--- a/macosx/BlocklistDownloader.m
+++ b/macosx/BlocklistDownloader.m
@@ -55,6 +55,8 @@
 
 - (void) cancelDownload: (id) sender
 {
+    [fDownload cancel];
+    
     [fDownload release];
     fDownload = nil;