diff --git a/Makefile.am b/Makefile.am
index 38cd88d..79c4e06 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -42,7 +42,7 @@
 	COPYING \
 	README
 
-DISTCHECK_CONFIGURE_FLAGS = \
+AM_DISTCHECK_CONFIGURE_FLAGS = \
 	--with-systemdsystemunitdir=$$dc_install_base/$(systemdsystemunitdir)
 
 .PHONY: release