diff --git a/CodeSearch.ahk b/CodeSearch.ahk
index ee67a41..4079a89 100644
--- a/CodeSearch.ahk
+++ b/CodeSearch.ahk
@@ -670,7 +670,7 @@ btnSearch_Check:                      ;{
 	addExtensions	:= getAdditionalExtensions()
 	searchPaths  	:= GetSearchPaths()
 
-	if (txtSearchString && (ftypeChecked || addExtensions) && searchPaths.Count())
+	if (txtSearchString && (ftypesChecked || addExtensions) && searchPaths.Count())
 		GuiControl, Enable, btnSearch
 	else
 		GuiControl, Disable, btnSearch
@@ -2075,3 +2075,4 @@ SelectFolderEx(StartingFolder:="", Prompt:="", OwnerHwnd:=0, OkBtnLabel:="", com
 
 
 
+