diff --git a/bindings/py3devil1.py b/bindings/py3devil1.py
index 4e67102..d20cf1c 100755
--- a/bindings/py3devil1.py
+++ b/bindings/py3devil1.py
@@ -31,6 +31,7 @@ class Devil1PLD_FN(ctypes.Structure):
 #--------------------------------------+
 
 class TexturePack(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("id",               ctypes.c_char * 4), # fixed length 4, reverse order
         ("batchNumber",      ctypes.c_int),
@@ -39,6 +40,7 @@ class TexturePack(ctypes.Structure):
     ]
 
 class TextureBatchDescriptor(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("batchIdx",    ctypes.c_int),
         ("hash",        ctypes.c_int),
@@ -49,11 +51,13 @@ class TextureBatchDescriptor(ctypes.Structure):
     ]
 
 class Texture(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("data", ctypes.c_ubyte)
     ]
 
 class TextureBatch(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("batch", ctypes.POINTER(Texture))
     ]
@@ -98,6 +102,7 @@ class Devil1TEX_FN(ctypes.Structure):
 #--------------------------------------+
 
 class Header(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("numMesh",        ctypes.c_ubyte),
         ("unknownNumberB", ctypes.c_ubyte),
@@ -108,6 +113,7 @@ class Header(ctypes.Structure):
     ]
 
 class MeshHeader(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("numBatch",        ctypes.c_short),
         ("numVertex",       ctypes.c_short),
@@ -117,6 +123,7 @@ class MeshHeader(ctypes.Structure):
     ]
 
 class Coordinate(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("x", ctypes.c_float),
         ("y", ctypes.c_float),
@@ -124,23 +131,27 @@ class Coordinate(ctypes.Structure):
     ]
 
 class UVs(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("u", ctypes.c_short),
         ("v", ctypes.c_short)
     ]
 
 class BoneIndexes(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("indexes", ctypes.c_ubyte * 4),
     ]
 
 class BoneWeights(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("weights", ctypes.c_short)
     ]
 
 
 class BatchData(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("numVertex",           ctypes.c_short),
         ("uB",                  ctypes.c_short),
@@ -154,6 +165,7 @@ class BatchData(ctypes.Structure):
     ]
 
 class VertexData(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("positions",   ctypes.POINTER(Coordinate)),
         ("normals",     ctypes.POINTER(Coordinate)),
@@ -163,12 +175,14 @@ class VertexData(ctypes.Structure):
     ]
 
 class Batch(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("bd", ctypes.POINTER(BatchData)),
         ("vd", VertexData)
     ]
 
 class Mesh(ctypes.Structure):
+    _pack_   = 1
     _fields_ = [
         ("b", ctypes.POINTER(Batch))
     ]
@@ -220,6 +234,7 @@ if __name__ == "__main__":
             devil1pld.printheader(ctypes.byref(pldheader))
             print(pldheader)
             print(pldheader.numOffset)
+            print(pldheader.offsets)
             for i in range(0, pldheader.numOffset):
                 print(hex(pldheader.offsets[i]))