diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f0437aa..771b732 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -61,7 +61,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: backend-artifacts
-          path: target/o-neko*-layered.jar
+          path: target/o-neko-*-layered.jar
 
   containerize-main:
     needs: backend
@@ -74,7 +74,16 @@ jobs:
         uses: actions/download-artifact@v4
         with:
           name: backend-artifacts
-          path: .
+
+      - name: Locate backend JAR
+        id: find_jar
+        run: |
+          jar=$(find . -type f -name '*-layered.jar' -print -quit)
+          if [ -z "$jar" ]; then
+            echo "No layered JAR found" >&2
+            exit 1
+          fi
+          echo "jar=$jar" >> $GITHUB_OUTPUT
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -92,5 +101,4 @@ jobs:
           push: true
           tags: subshellgmbh/o-neko:latest-dev
           build-args: |
-            JAR_FILE=$(ls *-layered.jar)
-
+            JAR_FILE=${{ steps.find_jar.outputs.jar }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1646a3b..f3d1db0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -58,7 +58,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: backend-artifacts
-          path: target/o-neko*-layered.jar
+          path: target/o-neko-*-layered.jar
 
   release:
     needs: backend
@@ -70,7 +70,16 @@ jobs:
         uses: actions/download-artifact@v4
         with:
           name: backend-artifacts
-          path: .
+
+      - name: Locate backend JAR
+        id: find_jar
+        run: |
+          jar=$(find . -type f -name '*-layered.jar' -print -quit)
+          if [ -z "$jar" ]; then
+            echo "No layered JAR found" >&2
+            exit 1
+          fi
+          echo "jar=$jar" >> $GITHUB_OUTPUT
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -94,4 +103,4 @@ jobs:
             subshellgmbh/o-neko:latest
             subshellgmbh/o-neko:${{ steps.tag.outputs.tag }}
           build-args: |
-            JAR_FILE=$(ls *-layered.jar)
+            JAR_FILE=${{ steps.find_jar.outputs.jar }}