diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 68ce5d3174..51352505d0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
         roadrunner: [2.7.*]
         extensions:
           [
-            "apcu, bcmath, curl, openssl, mbstring, intl, json, redis, mysqli, pdo, pdo_mysql, sockets :opcache",
+            "apcu, bcmath, curl, openssl, mbstring, intl, json, redis, mysqli, pdo, pdo_mysql, sockets, :opcache",
           ]
     env:
       IMI_ROADRUNNER_BINARY: ${{ github.workspace }}\rr.exe