Modify project version output

diff --git a/TradeFilter3.lua b/TradeFilter3.lua
index f3e99cc..5e5d9ce 100644
--- a/TradeFilter3.lua
+++ b/TradeFilter3.lua
@@ -63,13 +63,11 @@ local msgsBlackFiltered = 0

 TF3.currentPartyMembers = {}

-local MAJOR_VERSION = "@project-version@"
-if (select(3,find(MAJOR_VERSION, "(%a+)")) == "beta") then
-	TF3.version = sub(MAJOR_VERSION, 0, 10)
-elseif (select(3,find(MAJOR_VERSION, "(%a+)")) == "release") then
-	TF3.version = sub(MAJOR_VERSION, 0, 13)
+local MAJOR_VERSION = GetAddOnMetadata("TradeFilter3", "Version")
+if (select(3,find(MAJOR_VERSION, "(%a+)")) == "v") then
+	TF3.version = sub(MAJOR_VERSION, 0, 6)
 else
-	TF3.version = sub(MAJOR_VERSION, -8) .. " DEV"
+	TF3.version = sub(MAJOR_VERSION, 0, 15) .. " DEV"
 end
 TF3.date = "@file-date-iso@"