diff --git a/.github/workflows/image.yml b/.github/workflows/image.yml
index cff9c35..d2fb2d4 100644
--- a/.github/workflows/image.yml
+++ b/.github/workflows/image.yml
@@ -1,9 +1,15 @@
 name: Compress images
-on: push
-  paths:
-    - '**.jpg'
-    - '**.png'
-    - '**.webp'
+on:
+  push:
+    paths:
+      - '**.jpg'
+      - '**.png'
+      - '**.webp'
+  pull_request:
+    paths:
+      - '**.jpg'
+      - '**.png'
+      - '**.webp'
 jobs:
   build:
     name: calibreapp/image-actions