diff --git a/.travis.yml b/.travis.yml
index 3f227fb..4ef2beb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,7 +28,7 @@ matrix:
 
     - os: linux
       compiler: g++-4.4
-      env: TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=98,0x
+      env: TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=98
       addons:
         apt:
           packages: