diff --git a/src/wimax/Makefile.am b/src/wimax/Makefile.am
index 91f1dc4e07..83c8c27bff 100644
--- a/src/wimax/Makefile.am
+++ b/src/wimax/Makefile.am
@@ -20,7 +20,8 @@ libwimax_la_SOURCES = \
 
 libwimax_la_CPPFLAGS = \
 	$(DBUS_CFLAGS) \
-	$(IWMX_SDK_CFLAGS)
+	$(IWMX_SDK_CFLAGS) \
+	$(LIBNL_CFLAGS)
 
 libwimax_la_LIBADD = \
 	$(DBUS_LIBS) \