diff --git a/unit/test-client.c b/unit/test-client.c
index 7dc958f6..43ca5334 100644
--- a/unit/test-client.c
+++ b/unit/test-client.c
@@ -29,6 +29,7 @@
 #include <assert.h>
 #include <ell/ell.h>
 
+#include "client/dbus-proxy.h"
 #include "client/network.h"
 
 struct network_args_data {