diff --git a/src/common/notifications.cpp b/src/common/notifications.cpp
index 2a65a26f..026e733f 100644
--- a/src/common/notifications.cpp
+++ b/src/common/notifications.cpp
@@ -20,6 +20,7 @@
 #include <cassert>
 #include <iostream>
 #include <mutex>
+#include <sstream>
 
 #include <dbus/dbus.h>
 #include <dlfcn.h>