diff --git a/config.def.h b/config.def.h
index 8b9c80f..4fcd5c9 100644
--- a/config.def.h
+++ b/config.def.h
@@ -4,6 +4,7 @@
 static int mon = -1;
 
 static unsigned int center = 0;
+static unsigned int centerwidth = 750;
 static unsigned int bottom = 0;
 static unsigned int embedded = 0;
 static unsigned int minpwlen = 32;