diff --git a/Makefile.am b/Makefile.am
index 94f625d..708e2ff 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -744,7 +744,7 @@ endif
 EXTRA_DIST += $(manual_pages) $(patsubst %.1,%.rst, \
 				$(patsubst %.8,%.rst,$(manual_pages)))
 
-DISTCHECK_CONFIGURE_FLAGS = --disable-datafiles --enable-library \
+AM_DISTCHECK_CONFIGURE_FLAGS = --disable-datafiles --enable-library \
 						--enable-health \
 						--enable-midi \
 						--enable-manpages \