diff --git a/.travis.yml b/.travis.yml
index 8c87534d..5548f82b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ services:
 
 env:
   global:
-    - CORE_BRANCH=master
+    - CORE_BRANCH=stable18
     - APP_NAME=serverinfo
   matrix:
     - DB=sqlite