diff --git a/hw/xfree86/dri/Makefile.am b/hw/xfree86/dri/Makefile.am
index 68f1eaefa..bee315288 100644
--- a/hw/xfree86/dri/Makefile.am
+++ b/hw/xfree86/dri/Makefile.am
@@ -7,7 +7,7 @@ libdri_la_CFLAGS = -I$(top_srcdir)/hw/xfree86/common \
                    -I$(top_builddir)/GL/include \
 		   -I@MESA_SOURCE@/include \
                    -DHAVE_XORG_CONFIG_H \
-                   @DIX_CFLAGS@ @DRIPROTO_CFLAGS@ \
+                   @DIX_CFLAGS@ @XORG_CFLAGS@ @DRIPROTO_CFLAGS@ \
                    @LIBDRM_CFLAGS@ \
                    @GL_CFLAGS@
 libdri_la_LDFLAGS = -module -avoid-version @LIBDRM_LIBS@
diff --git a/hw/xfree86/dri2/Makefile.am b/hw/xfree86/dri2/Makefile.am
index 844c91240..fd8962ebb 100644
--- a/hw/xfree86/dri2/Makefile.am
+++ b/hw/xfree86/dri2/Makefile.am
@@ -2,7 +2,7 @@ libdri2_la_LTLIBRARIES = libdri2.la
 libdri2_la_CFLAGS = \
 	-DHAVE_XORG_CONFIG_H \
 	-I@MESA_SOURCE@/include \
-	@DIX_CFLAGS@ @DRI2PROTO_CFLAGS@ @LIBDRM_CFLAGS@ \
+	@DIX_CFLAGS@ @XORG_CFLAGS@ @DRI2PROTO_CFLAGS@ @LIBDRM_CFLAGS@ \
 	-I$(top_srcdir)/hw/xfree86/common \
 	-I$(top_srcdir)/hw/xfree86/os-support/bus