diff --git a/src/calls-manager.c b/src/calls-manager.c
index 3d32b9c..eee32ba 100644
--- a/src/calls-manager.c
+++ b/src/calls-manager.c
@@ -35,6 +35,7 @@
 #include "calls-settings.h"
 #include "calls-ui-call-data.h"
 #include "calls-ussd.h"
+#include "util.h"
 
 #include "enum-types.h"