diff --git a/.travis.yml b/.travis.yml
index 87b692bfb..430b2f08a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,9 +29,6 @@ addons:
       #- libvulkan-dev
       - libx11-dev
       - liblz4-dev
-  
-env:
-  - LIBVULKAN_VERSION=1.0.61.1
 
 matrix:
   include:
@@ -45,6 +42,7 @@ git:
   submodules: false
 
 before_script:
+  - export LIBVULKAN_VERSION=1.0.61.1
   - export CXX=$CXX_COMPILER
   - export CC=$C_COMPILER
   # Dump useful info.