diff --git a/src/main.lua b/src/main.lua
index 0745042..8d87d26 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -226,7 +226,9 @@ local function updateEvent(event, ...)
     if lazyElementsEventHandler(event, ...) then return end
 
     if(mouseEvents[event])then
-        activeFrames[main]:dispatchEvent(event, ...)
+        if activeFrames[main] then
+            activeFrames[main]:dispatchEvent(event, ...)
+        end
     elseif(keyEvents[event])then
         if(focusedFrame~=nil)then
             focusedFrame:dispatchEvent(event, ...)