diff --git a/src/Ui/media/Wrapper.coffee b/src/Ui/media/Wrapper.coffee
index 5fbb6c2e..7868efbf 100644
--- a/src/Ui/media/Wrapper.coffee
+++ b/src/Ui/media/Wrapper.coffee
@@ -237,6 +237,7 @@ class Wrapper
 
 	displayPrompt: (message, type, caption, placeholder, cb) ->
 		body = $("<span class='message'>"+message+"</span>")
+		placeholder ?= ""
 
 		input = $("<input type='#{type}' class='input button-#{type}' placeholder='#{placeholder}'/>") # Add input
 		input.on "keyup", (e) => # Send on enter