diff --git a/.github/workflows/update-version.yml b/.github/workflows/update-version.yml
index 6018de52..8542b068 100644
--- a/.github/workflows/update-version.yml
+++ b/.github/workflows/update-version.yml
@@ -83,7 +83,7 @@ jobs:
             CURRENT_VERSION=$(cat VERSION)
             NEW_VERSION="${CURRENT_VERSION%%-trunk}"
             if [[ "$CURRENT_VERSION" == *trunk* ]]; then
-               NEW_VERSION=$(echo "${CURRENT_VERSION}" | cut -d. -f1-3)"."$(printf "%04d\n" $(("${NEW_VERSION##*.}" + 1)))               
+               NEW_VERSION=$(echo "${CURRENT_VERSION}" | cut -d. -f1-3)"."$(printf "%04d\n" $(("#${NEW_VERSION##*.}" + 1)))               
                else
                echo "test"
                #NEW_VERSION=$(echo "${CURRENT_VERSION}" | cut -d. -f1-2)"."$((${NEW_VERSION##*.} + 1))