diff --git a/Utils/MkLevel/MkLevel.cpp b/Utils/MkLevel/MkLevel.cpp
index ac9ba638f..6d7472f5a 100644
--- a/Utils/MkLevel/MkLevel.cpp
+++ b/Utils/MkLevel/MkLevel.cpp
@@ -652,6 +652,7 @@ int		PntCount=3;
 			
 			OtOfs=sqrt(OtOfs/PntCount);
 			OtOfs/=8;
+//			printf("%i\n",P.OTOfs);
 			OtOfs+=P.OTOfs;
 
 			if (OtOfs>OTMax) OtOfs=OTMax;
diff --git a/tools/Data/bin/MkLevel.exe b/tools/Data/bin/MkLevel.exe
index 8fbf48df4..ca0325b54 100644
Binary files a/tools/Data/bin/MkLevel.exe and b/tools/Data/bin/MkLevel.exe differ
diff --git a/tools/Data/include/dstructs.h b/tools/Data/include/dstructs.h
index b13e2ece0..6b9ddfd67 100644
--- a/tools/Data/include/dstructs.h
+++ b/tools/Data/include/dstructs.h
@@ -105,7 +105,7 @@ struct	sTri
 		u16			TPage;					//  2
 		u8			uv2[2];					//  2
 		u16			P2;						//  2
-		u16			OTOfs;					//  2
+		s16			OTOfs;					//  2
 		u8			PolyCode;				//  1
 		u8			Pad;					//  1
 };											// 20
@@ -123,7 +123,7 @@ struct	sQuad
 		u16			P2;						//  2
 		u8			uv3[2];					//  2
 		u16			P3;						//  2
-		u16			OTOfs;					//  2
+		s16			OTOfs;					//  2
 		u8			PolyCode;				//  1
 		u8			Pad;					//  1
 };											// 24
@@ -142,7 +142,7 @@ struct	sPoly
 		u16			TPage;					//  2
 		u8			uv2[2];					//  2
 		u8			uv3[2];					//  2
-		u16			OTOfs;					//  2
+		s16			OTOfs;					//  2
 		u8			PolyCode;				//  1
 		u8			PolyTag;				//  1