diff --git a/include/Device.h b/include/Device.h
index 40e4d508..999e8d79 100644
--- a/include/Device.h
+++ b/include/Device.h
@@ -20,6 +20,10 @@
 
 #include "Partition.h"
 #include "PartitionVector.h"
+#include "Utils.h"
+
+#include <glibmm/ustring.h>
+
 
 namespace GParted
 {
diff --git a/src/Device.cc b/src/Device.cc
index 78efcb42..719ad5f7 100644
--- a/src/Device.cc
+++ b/src/Device.cc
@@ -17,6 +17,9 @@
 
 #include "Device.h"
 
+#include <glibmm/ustring.h>
+
+
 namespace GParted
 {