diff --git a/devtools/client/scratchpad/scratchpad.xul b/devtools/client/scratchpad/scratchpad.xul
index 3712f163d2..8694c1bb54 100644
--- a/devtools/client/scratchpad/scratchpad.xul
+++ b/devtools/client/scratchpad/scratchpad.xul
@@ -121,7 +121,7 @@
+ modifiers="shift,alt"/>