diff --git a/components/ImageUploader.vue b/components/ImageUploader.vue
index c62f66ba8..337edfcfd 100644
--- a/components/ImageUploader.vue
+++ b/components/ImageUploader.vue
@@ -61,8 +61,8 @@
                         }
                     });
                     this.$emit('uploaded', ids);
-                } catch {
-                    this.errorMessage = 'error.generic';
+                } catch (e) {
+                    this.errorMessage = e?.response?.data?.error || 'error.invalidImage';
                 }
                 this.uploading = false;
             },
diff --git a/locale/_base/translations.suml b/locale/_base/translations.suml
index 24caa5f86..6a7eafed7 100644
--- a/locale/_base/translations.suml
+++ b/locale/_base/translations.suml
@@ -1052,6 +1052,7 @@ images:
 
 error:
     generic: 'Something went wrong, please try again…'
+    invalidImage: 'This file does''t seem right. Make sure it''s a valid image under 10 MB.'
 
 captcha:
     reason: 'Please prove you''re not a bot to mitigate spam and DDoS attacks.'
diff --git a/locale/en/translations.suml b/locale/en/translations.suml
index 4980cebc4..6871ac282 100644
--- a/locale/en/translations.suml
+++ b/locale/en/translations.suml
@@ -1209,6 +1209,7 @@ images:
 
 error:
     generic: 'Something went wrong, please try again…'
+    invalidImage: 'This file does''t seem right. Make sure it''s a valid image under 10 MB.'
 
 captcha:
     reason: 'Please prove you''re not a bot to mitigate spam and DDoS attacks.'
diff --git a/locale/expectedTranslations.js b/locale/expectedTranslations.js
index 204ae359d..94133bb83 100644
--- a/locale/expectedTranslations.js
+++ b/locale/expectedTranslations.js
@@ -123,5 +123,6 @@ module.exports = [
     'mode.reducedItems',
     'user.socialLookup',
     'user.socialLookupWhy',
-    'api.source'
+    'api.source',
+    'error.invalidImage',
 ];
diff --git a/locale/pl/translations.suml b/locale/pl/translations.suml
index eb7853893..e2651d430 100644
--- a/locale/pl/translations.suml
+++ b/locale/pl/translations.suml
@@ -1801,6 +1801,7 @@ images:
 
 error:
     generic: 'Coś poszło nie tak, spróbuj ponownie…'
+    invalidImage: 'Nieobsługiwany format pliku. Upewnij się, że wgrywasz poprawny obrazek nie cięższy niż 10 MB.'
 
 captcha:
     reason: 'Prosimy o udowodnienie, że nie jesteś botem, by chronić się przed spamem i DDoS-ami'
diff --git a/server/routes/images.js b/server/routes/images.js
index 138baec30..8a4f95f33 100644
--- a/server/routes/images.js
+++ b/server/routes/images.js
@@ -59,10 +59,11 @@ router.post('/images/upload', multer({limits: {fileSize: 10 * 1024 * 1024}}).any
     const ids = [];
     for (let file of req.files) {
         const id = ulid();
+        let image;
         try {
-            const image = await loadImage(await sharp(file.buffer).png().toBuffer());
+            image = await loadImage(await sharp(file.buffer).png().toBuffer());
         } catch {
-            return res.status(400).json({error: 'File type not supported'});
+            return res.status(400).json({error: 'error.invalidImage'});
         }
 
         for (let s in sizes) {