diff --git a/Makefile.am b/Makefile.am
index 2e59306d..22dcfe40 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,7 @@ pkgconfig_DATA = libosmo-ranap.pc
 
 EXTRA_DIST = asn1 .version README.md
 
-DISTCHECK_CONFIGURE_FLAGS = \
+AM_DISTCHECK_CONFIGURE_FLAGS = \
 	--with-systemdsystemunitdir=$$dc_install_base/$(systemdsystemunitdir)
 
 @RELMAKE@