diff --git a/vm-pictures.rkt b/vm-pictures.rkt
index bd6d34d..eb9bff4 100644
--- a/vm-pictures.rkt
+++ b/vm-pictures.rkt
@@ -6,6 +6,8 @@
 
 (provide (all-defined-out))
 
+(define default-process-height 98)
+
 (define default-font (make-parameter 'roman))
 
 (define final-border (make-parameter 1))
@@ -13,7 +15,7 @@
 (define process-angle (make-parameter 90))
 (define process-width (make-parameter 24))
 (define process-corner (make-parameter 6))
-(define process-height (make-parameter 98))
+(define process-height (make-parameter default-process-height))
 (define process-gap (make-parameter 6))
 
 (define leg-offset (make-parameter 4))