diff --git a/.github/workflows/ant-latest.yml b/.github/workflows/ant-latest.yml
index 7f402e5..865fdc3 100644
--- a/.github/workflows/ant-latest.yml
+++ b/.github/workflows/ant-latest.yml
@@ -13,6 +13,8 @@ on:
 jobs:
 
   nsis-jdk22:
+    env:
+      GITHUB_TAG: ${{ github.ref_name }}
     runs-on: windows-latest
     steps:
       - uses: Vampire/setup-wsl@v3
diff --git a/.github/workflows/ant.yml b/.github/workflows/ant.yml
index 8c2229b..af94f70 100644
--- a/.github/workflows/ant.yml
+++ b/.github/workflows/ant.yml
@@ -14,6 +14,8 @@ jobs:
 
   nsis:
     runs-on: windows-latest
+    env:
+      GITHUB_TAG: ${{ github.ref_name }}
     steps:
       - uses: Vampire/setup-wsl@v3
         with:
diff --git a/i2pversion b/i2pversion
index 7733295..8169f52 100644
--- a/i2pversion
+++ b/i2pversion
@@ -2,8 +2,9 @@
 
 JNA_VERSION=5.12.1
 export JNA_VERSION=5.12.1
-
-export GITHUB_TAG=$(git describe --tags --abbrev=0 | sed 's|i2p||g' | tr -d [a-z-])
+if [ -z "$GITHUB_TAG" ]; then
+    export GITHUB_TAG=$(git describe --tags --abbrev=0 | sed 's|i2p||g' | tr -d [a-z-])
+fi
 if [ -z "$VERSIONMAJOR" ]; then
     VERSIONMAJOR=$(echo "$GITHUB_TAG" | cut -d . -f 1)
 fi