diff --git a/.github/workflows/release-sign.yml b/.github/workflows/release-sign.yml
index 3fe57bb..2c8609d 100644
--- a/.github/workflows/release-sign.yml
+++ b/.github/workflows/release-sign.yml
@@ -42,15 +42,15 @@ jobs:
         # extracts files into "openexr-v3.2.4/...".  This matches
         # the GitHub release page autogenerated artifact conventions.
         run: |
-          echo OPENEXR_PREFIX=openexr-${TAG//v} >> $GITHUB_ENV
-          echo OPENEXR_TARBALL=${OPENEXR_PREFIX}.tar.gz >> $GITHUB_ENV
+          echo OPENEXR_PREFIX=openexr-${TAG//v}/ >> $GITHUB_ENV
+          echo OPENEXR_TARBALL=openexr-${TAG//v}.tar.gz >> $GITHUB_ENV
         shell: bash
 
       - name: Checkout
         uses: actions/checkout@v2
 
       - name: Create archive
-        run: git archive --format=tar.gz -o ${OPENEXR_TARBALL} --prefix ${OPENEXR_PREFIX}/ ${TAG}
+        run: git archive --format=tar.gz -o ${OPENEXR_TARBALL} --prefix ${OPENEXR_PREFIX} ${TAG}
 
       - name: Sign archive with Sigstore
         uses: sigstore/gh-action-sigstore-python@v2.1.1