diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 23b5b06f51..36c37a5f01 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -176,7 +176,7 @@ test:ubsan:cs:
 # * ppc64el
 
 prepare-cache:qemu:
-  image: ubuntu18.04
+  image: ubuntu:18.04
   stage: prepare
   tags:
     - linux