diff --git a/src/Ui/media/Wrapper.coffee b/src/Ui/media/Wrapper.coffee
index f87ff197..eae824be 100644
--- a/src/Ui/media/Wrapper.coffee
+++ b/src/Ui/media/Wrapper.coffee
@@ -253,7 +253,10 @@ class Wrapper
 		message.params = @toHtmlSafe(message.params) # Escape html
 		if message.params[1] then type = message.params[1] else type = "text"
 		caption = if message.params[2] then message.params[2] else "OK"
-		placeholder = message.params[3]
+		if message.params[3]?
+			placeholder = message.params[3]
+		else
+			placeholder = ""
 
 		@displayPrompt message.params[0], type, caption, placeholder, (res) =>
 			@sendInner {"cmd": "response", "to": message.id, "result": res} # Response to confirm
diff --git a/src/Ui/media/all.js b/src/Ui/media/all.js
index 04acc0de..325379e5 100644
--- a/src/Ui/media/all.js
+++ b/src/Ui/media/all.js
@@ -1167,7 +1167,11 @@ jQuery.extend( jQuery.easing,
         type = "text";
       }
       caption = message.params[2] ? message.params[2] : "OK";
-      placeholder = message.params[3];
+      if (message.params[3] != null) {
+        placeholder = message.params[3];
+      } else {
+        placeholder = "";
+      }
       return this.displayPrompt(message.params[0], type, caption, placeholder, (function(_this) {
         return function(res) {
           return _this.sendInner({