diff --git a/config/_default/config.yaml b/config/_default/config.yaml
index 710db1b..e724d4b 100644
--- a/config/_default/config.yaml
+++ b/config/_default/config.yaml
@@ -66,3 +66,4 @@ markup:
 
 ignoreErrors:
   - "missing-cite"
+  - "size-set-on-non-resizable"
diff --git a/layouts/_partials/images/get-image.html b/layouts/_partials/images/get-image.html
index 6cb94d9..65524db 100644
--- a/layouts/_partials/images/get-image.html
+++ b/layouts/_partials/images/get-image.html
@@ -33,7 +33,7 @@
       {{- warnf "Requested size %s is more than image width %d (%q)" $width $img.Width $img.File.Path -}}
     {{- end -}}
   {{- else -}}
-    {{- warnf "Size set on non-resizable image of type %s; ignoring" $img.MediaType.SubType -}}
+    {{- warnidf "size-set-on-non-resizable" "Size set on non-resizable image of type %s; ignoring" $img.MediaType.SubType -}}
   {{- end -}}
 {{- end -}}