diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 763f2df..c21443e 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -26,7 +26,7 @@ jobs:
 
     services:
       mysql:
-        image: mysql:matrix.mysql
+        image: mysql:${{ matrix.mysql }}
         env:
           MYSQL_ALLOW_EMPTY_PASSWORD: yes
           MYSQL_DATABASE: dbpull_test