diff --git a/.travis.yml b/.travis.yml
index 74af62cd5..ca9c94689 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -276,6 +276,7 @@ addons:
 
 
 before_script:
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 6B05F25D762E3157
   - wget --verbose --server-response -c http://rosenthalcastle.org/srb2/SRB2-v2115-assets-2.7z -O $HOME/srb2_cache/SRB2-v2115-assets-2.7z
   - 7z x $HOME/srb2_cache/SRB2-v2115-assets-2.7z -oassets
   - mkdir build