Index: /soft/giet_vm/giet_python/mapping.py
===================================================================
--- /soft/giet_vm/giet_python/mapping.py	(revision 813)
+++ /soft/giet_vm/giet_python/mapping.py	(revision 814)
@@ -165,7 +165,7 @@
                   ram_size       = 0 ):            # RAM size per cluster (bytes)
 
-        assert ( x_size <= (1<<X_WIDTH) )
-        assert ( y_size <= (1<<Y_WIDTH) )
-        assert ( nprocs <= (1<<P_WIDTH) )
+        assert ( x_size <= (1<<x_width) )
+        assert ( y_size <= (1<<y_width) )
+        assert ( nprocs <= (1<<p_width) )
 
         self.signature      = MAPPING_SIGNATURE