diff --git a/addons/web/static/src/scss/layout_background.scss b/addons/web/static/src/scss/layout_background.scss
index 9b137fde8c1..caeb1f0c2bf 100644
--- a/addons/web/static/src/scss/layout_background.scss
+++ b/addons/web/static/src/scss/layout_background.scss
@@ -82,3 +82,10 @@
         }
     }
 }
+
+/* special case for displaying report in iframe */
+.o_in_iframe {
+    .o_background_header {
+        min-width: 0;
+    }
+}