diff --git a/.travis.yml b/.travis.yml
index dcfd595..e291a53 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ os:
 
 env:
     - CXX_STANDARD=c++0x
+    - CXX_STANDARD=gnu++98
 
 before_install:
     # Set this to the name of your Boost library