diff --git a/.travis.yml b/.travis.yml
index baefc4cd28..1159d7cb2e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -64,7 +64,7 @@ env:
   - &s390x-linux
     name: s390x-linux
     arch: s390x
-    compiler: gcc
+    <<: *gcc-11
     env:
       # Avoid possible test failures with the zlib applying the following patch
       # on s390x CPU architecture.