diff --git a/src/ARMeilleure/Translation/PTC/Ptc.cs b/src/ARMeilleure/Translation/PTC/Ptc.cs
index 72b60fab0..6f46e3f8c 100644
--- a/src/ARMeilleure/Translation/PTC/Ptc.cs
+++ b/src/ARMeilleure/Translation/PTC/Ptc.cs
@@ -29,7 +29,7 @@ namespace ARMeilleure.Translation.PTC
         private const string OuterHeaderMagicString = "PTCohd\0\0";
         private const string InnerHeaderMagicString = "PTCihd\0\0";
 
-        private const uint InternalVersion = 5292; //! To be incremented manually for each change to the ARMeilleure project.
+        private const uint InternalVersion = 3431; //! To be incremented manually for each change to the ARMeilleure project.
 
         private const string ActualDir = "0";
         private const string BackupDir = "1";