diff --git a/tests/Makefile.am b/tests/Makefile.am
index 4627f5d2ba..5686ea5198 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -48,6 +48,7 @@ AM_CFLAGS = \
 	$(APPARMOR_CFLAGS) \
 	$(YAJL_CFLAGS) \
 	$(COVERAGE_CFLAGS) \
+	$(XDR_CFLAGS) \
 	$(WARN_CFLAGS)
 
 AM_LDFLAGS = \
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 7513a73ac0..2913bba8cc 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -428,7 +428,7 @@ if WITH_WIRESHARK_DISSECTOR
 
 ws_plugin_LTLIBRARIES = wireshark/src/libvirt.la
 wireshark_src_libvirt_la_CPPFLAGS = \
-	-I wireshark/src $(WIRESHARK_DISSECTOR_CFLAGS)
+	-I wireshark/src $(WIRESHARK_DISSECTOR_CFLAGS) $(XDR_CFLAGS)
 wireshark_src_libvirt_la_LDFLAGS = -avoid-version -module
 nodist_wireshark_src_libvirt_la_SOURCES = wireshark/src/plugin.c
 wireshark_src_libvirt_la_SOURCES = \