diff --git a/Thumbnails.pb b/Thumbnails.pb
index 467000d..706dbec 100644
--- a/Thumbnails.pb
+++ b/Thumbnails.pb
@@ -203,7 +203,7 @@ Module Cache
     SignalSemaphore(Param\LoadListSemaphore)
   EndProcedure
   
-  Procedure BackgroundThread(n.l)
+  Procedure BackgroundThread(n.i)
     Protected Quit.b
     Repeat 
       Repeat 
@@ -1000,8 +1000,9 @@ CompilerIf #PB_Compiler_IsMainFile
   EndIf
 CompilerEndIf
 ; IDE Options = PureBasic 6.21 (Windows - x64)
-; CursorPosition = 1000
-; FirstLine = 953
+; CursorPosition = 205
+; FirstLine = 205
 ; Folding = ------
+; EnableThread
 ; EnableXP
 ; DPIAware
\ No newline at end of file