diff --git a/.travis.yml b/.travis.yml
index 8b00489..7d77df8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,7 +31,7 @@ matrix:
       arch: amd64 
       script: 
         - mingw32-make
-#        - ./icapp ZIPF
+        - ./icapp ZIPF
 
     - name: apple-macOS-xcode
       os: osx