diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e9afb0a6e..d750198b5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -85,7 +85,7 @@ jobs:
           export CW_REVISION='${{ github.sha }}'
           DOCKER_IMAGE='debian:bookworm'
           export CW_CCSUFFIX='-15'
-          export CW_CCSUFFIX='-12'
+          export CW_GCCSUFFIX='-12'
           docker trust inspect --pretty "${DOCKER_IMAGE}"
           time docker pull "${DOCKER_IMAGE}"
           docker images --digests
@@ -115,7 +115,7 @@ jobs:
           export CW_REVISION='${{ github.sha }}'
           DOCKER_IMAGE='debian:bullseye'
           export CW_CCSUFFIX='-13'
-          export CW_CCSUFFIX='-10'
+          export CW_GCCSUFFIX='-10'
           docker trust inspect --pretty "${DOCKER_IMAGE}"
           time docker pull "${DOCKER_IMAGE}"
           docker images --digests