diff --git a/.travis.yml b/.travis.yml
index eecaaaf..2f5f65a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,8 +27,7 @@ script:
 deploy:
   on:
     branch: master
-    condition: "$CC = gcc"
-    os: linux
+    condition: "$CC = gcc && $TRAVIS_OS_NAME = linux"
   provider: script
   script: bash push-docker-image.sh
 notifications: