diff --git a/src/lib/dbus/Iter.hxx b/src/lib/dbus/Iter.hxx
index 86e73d3ed..3a3f4fddb 100644
--- a/src/lib/dbus/Iter.hxx
+++ b/src/lib/dbus/Iter.hxx
@@ -33,6 +33,8 @@
 #ifndef ODBUS_ITER_HXX
 #define ODBUS_ITER_HXX
 
+#include <dbus/dbus.h>
+
 namespace ODBus {
 
 class MessageIter {