diff --git a/src/calls-notifier.c b/src/calls-notifier.c
index a32d179..7104d27 100644
--- a/src/calls-notifier.c
+++ b/src/calls-notifier.c
@@ -29,6 +29,7 @@
 #include "calls-manager.h"
 #include "calls-notifier.h"
 #include "calls-ui-call-data.h"
+#include "util.h"
 
 #include <cui-call.h>