diff --git a/public/js/myResources.js b/public/js/myResources.js
index ceafed56..f5f41b6a 100644
--- a/public/js/myResources.js
+++ b/public/js/myResources.js
@@ -590,26 +590,30 @@
   function deleteImage(image, tile, button) {
     // Asked, because it removes the picture from every deck that used it. The
     // deck keeps working; the figure is simply no longer there.
-    if (!window.confirm('Delete this image? Any resource that used it will render without it.')) return;
-    button.disabled = true;
-    fetch('/api/generated-images/' + encodeURIComponent(image.id), {
-      method: 'DELETE', headers: getAuthHeaders()
-    })
-      .then(function (r) { return r.json(); })
-      .then(function (data) {
-        if (!data.success) throw new Error(data.error || 'Could not delete that image');
-        tile.remove();
-        var grid = document.getElementById('mr-images-grid');
-        var empty = document.getElementById('mr-images-empty');
-        if (grid && !grid.children.length && empty) {
-          empty.hidden = false;
-          empty.textContent = 'No images yet.';
-        }
+    var message = 'Delete this image? Any resource that used it will render without it.';
+    if (!window.showConfirm) { if (window.confirm(message)) doDelete(); return; }
+    window.showConfirm(message, doDelete, { danger: true, confirmText: 'Delete' });
+    function doDelete() {
+      button.disabled = true;
+      fetch('/api/generated-images/' + encodeURIComponent(image.id), {
+        method: 'DELETE', headers: getAuthHeaders()
       })
-      .catch(function (err) {
-        button.disabled = false;
-        if (typeof showToast === 'function') showToast(err.message, 'error');
-      });
+        .then(function (r) { return r.json(); })
+        .then(function (data) {
+          if (!data.success) throw new Error(data.error || 'Could not delete that image');
+          tile.remove();
+          var grid = document.getElementById('mr-images-grid');
+          var empty = document.getElementById('mr-images-empty');
+          if (grid && !grid.children.length && empty) {
+            empty.hidden = false;
+            empty.textContent = 'No images yet.';
+          }
+        })
+        .catch(function (err) {
+          button.disabled = false;
+          if (typeof showToast === 'function') showToast(err.message, 'error');
+        });
+    }
   }
 
   // The library as last fetched. Held so searching and the Modify picker both