diff --git a/src/vcg_defaults.h b/src/vcg_defaults.h
index a59cb8bd..36d49bbb 100644
--- a/src/vcg_defaults.h
+++ b/src/vcg_defaults.h
@@ -105,8 +105,7 @@
 
 # define G_BMAX			100
 # define G_CMIN			0
-/* computes the max value of an int ... */
-# define G_CMAX			((unsigned) 1 << (sizeof(int) * 8 - 1)) - 1
+# define G_CMAX			INT_MAX
 # define G_PMIN			0
 # define G_PMAX			100
 # define G_RMIN			0