diff --git a/.github/workflows/container-release.yml b/.github/workflows/container-release.yml
index e78b4da9..25472092 100644
--- a/.github/workflows/container-release.yml
+++ b/.github/workflows/container-release.yml
@@ -34,9 +34,9 @@ jobs:
         run: |
           platform=${{ matrix.config.platform }}
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
-          # Extract version part after last underscore
+          # Extract version part after last dash
           ver="${GITHUB_REF#refs/*/}"
-          ver="${ver##*_}"
+          ver="${ver##*-}"
           # Ensure it starts with 'v'
           if [[ "$ver" != v* ]]; then
             ver="v$ver"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 715dd22a..f49b4082 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -37,8 +37,8 @@ jobs:
         run: |
           vv="${GITHUB_REF_NAME}"
           vv="${vv//\//-}"
-          # Extract version part after the last underscore
-          vv="${vv##*_}"
+          # Extract version part after the last dash
+          vv="${vv##*-}"
           # Ensure it starts with 'v'
           if [[ "$vv" != v* ]]; then
             vv="v$vv"