diff --git a/.gitea/workflows/build-iso.yml b/.gitea/workflows/build-iso.yml
index 6ca00697..9b7bff81 100644
--- a/.gitea/workflows/build-iso.yml
+++ b/.gitea/workflows/build-iso.yml
@@ -36,8 +36,10 @@ jobs:
       - name: Build unbundled ISO
         run: |
           cd image-recipe
-          sudo UNBUNDLED=1 DEV_SERVER=localhost BUILD_FROM_SOURCE=0 \
-            ARCHIPELAGO_BIN=../core/target/release/archipelago \
+          export ARCHIPELAGO_BIN="$(pwd)/../core/target/release/archipelago"
+          ls -la "$ARCHIPELAGO_BIN" || echo "WARNING: binary not found"
+          sudo -E UNBUNDLED=1 DEV_SERVER=localhost BUILD_FROM_SOURCE=0 \
+            ARCHIPELAGO_BIN="$ARCHIPELAGO_BIN" \
             ./build-auto-installer-iso.sh
 
       - name: Copy to Builds