diff --git a/.github/workflows/pr-ci.yml b/.github/workflows/pr-ci.yml
index 74c61f4b20..2fcd7f1212 100644
--- a/.github/workflows/pr-ci.yml
+++ b/.github/workflows/pr-ci.yml
@@ -145,8 +145,8 @@ jobs:
           To run smoketest:
           ```
           # amd64          
-          CRYOSTAT_IMAGE=${{ amd64_image }} sh smoketest.sh
+          CRYOSTAT_IMAGE=${{ env.amd64_image }} sh smoketest.sh
 
           # or arm64
-          CRYOSTAT_IMAGE=${{ arm64_image }} sh smoketest.sh
+          CRYOSTAT_IMAGE=${{ env.arm64_image }} sh smoketest.sh
           ```