diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 572e2e0..90a8f21 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -62,14 +62,6 @@ jobs:
           username: ziedelth
           password: ${{ secrets.REGISTRY_PASSWORD }}
 
-      - name: Build and push snapshot
-        uses: docker/build-push-action@v5
-        if: github.ref == 'refs/heads/master'
-        with:
-          context: .
-          push: true
-          tags: registry.ziedelth.fr:5000/jais-api:snapshot
-
       - name: Build and push production
         uses: docker/build-push-action@v5
         if: github.ref == 'refs/heads/stable'
diff --git a/src/main/kotlin/fr/ziedelth/utils/ImageCache.kt b/src/main/kotlin/fr/ziedelth/utils/ImageCache.kt
index 296f5f7..7b64218 100644
--- a/src/main/kotlin/fr/ziedelth/utils/ImageCache.kt
+++ b/src/main/kotlin/fr/ziedelth/utils/ImageCache.kt
@@ -29,6 +29,8 @@ object ImageCache {
 
         try {
             bytes = saveImage(url).readBytes()
+            if (bytes.isEmpty()) throw Exception("Failed to load image")
+
             val webp = encodeToWebP(bytes)
             cache[uuid] = Image(url, webp, "webp") to true
         } catch (e: Exception) {
@@ -50,7 +52,7 @@ object ImageCache {
         if (Imgcodecs.imencode(".webp", matImage, output, parameters)) {
             return output.toArray()
         } else {
-            error("Failed to encode the image as webp")
+            throw Exception("Failed to encode image to WebP")
         }
     }