diff --git a/conf/Makefile.am b/conf/Makefile.am
index 17045c5184a8a14d4bc7d12f5c8b20069354a5a4..16ddf8b805332677739882a2ccbb527b0bfefd3a 100644
--- a/conf/Makefile.am
+++ b/conf/Makefile.am
@@ -1,6 +1,6 @@
 noinst_DATA = manager.conf
 
-extra_DIST = manager.conf.in
+EXTRA_DIST = manager.conf.in
 
 manager.conf: Makefile manager.conf.in
 	sed \