diff --git a/lib/editor/atto/styles.css b/lib/editor/atto/styles.css
index 7b966780824..48f89366374 100755
--- a/lib/editor/atto/styles.css
+++ b/lib/editor/atto/styles.css
@@ -201,3 +201,10 @@ div.editor_atto_content:hover .atto_control {
     border-radius: 2px;
     display: block;
 }
+
+/* Get broken images back in firefox */
+.editor_atto_content img:-moz-broken {
+    -moz-force-broken-image-icon:1;
+    min-width:24px;
+    min-height:24px;
+}
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