diff --git a/.travis.yml b/.travis.yml
index d670f791a778cb7b36b79e6ae35fc56226e7c03e..46910d35930a264a40e6abed9215eab54eab5ebe 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 language: cpp
 compiler: 
-    - gcc
-os:
+    - gcc os:
     - linux
     - osx
 matrix:
@@ -37,7 +36,7 @@ install:
     - tar -xzvf libSBML-5.11.4-core-src.tar.gz 
     - cd libsbml-5.11.4 && ./configure --prefix=/usr --with-zlib --with-bzip2 --with-libxml && make && sudo make install && cd ..
 script: 
-    - mkdir -p _build && cd _build && cmake -CMAKE_INSTALL_PREFIX=`pwd`/_install -DDEBUG=ON .. && make
+    - mkdir -p _build && cd _build && cmake -DCMAKE_INSTALL_PREFIX=`pwd`/_install -DDEBUG=ON .. && make
 
 after_success:
     - ctest --output-on-failure