diff --git a/.travis.yml b/.travis.yml
index eeaf354619092cc284817f4b72bfbc0bfabc7adf..fb4c6ca1fd3ec7462be51a0f018ecbde1e9ff12d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -38,7 +38,7 @@ script:
   - cmake --version
   - cd $NPTOOL/NPLib 
   - cmake -GNinja ./
-  - ninja-build install 
+  - ninja install 
   - ./scripts/RootLogon.sh 
   - ./scripts/test/all.sh