diff --git a/makedoc b/makedoc
index 1dc41bb04c25dfee3141550fc2227f5cbdc2f424..281f0370a3edafd734da7e8195beed9c2bb84486 100755
--- a/makedoc
+++ b/makedoc
@@ -6,3 +6,4 @@
 
 sh ./siena  > doc/siena_usage  2>&1
 sh ./sienax > doc/sienax_usage 2>&1
+exit 0