diff --git a/dri3/Makefile.am b/dri3/Makefile.am
index 99c3718a5..32b694f68 100644
--- a/dri3/Makefile.am
+++ b/dri3/Makefile.am
@@ -1,6 +1,7 @@
 noinst_LTLIBRARIES = libdri3.la
 AM_CFLAGS = \
-	@DIX_CFLAGS@
+	@DIX_CFLAGS@ \
+	@LIBDRM_CFLAGS@
 
 libdri3_la_SOURCES = \
 	dri3.h \