diff --git a/include/HBoxOperations.h b/include/HBoxOperations.h
index 2511fd5f..fdc2a767 100644
--- a/include/HBoxOperations.h
+++ b/include/HBoxOperations.h
@@ -28,7 +28,7 @@
 namespace GParted
 {
 
-class HBoxOperations : public Gtk::HBox
+class HBoxOperations : public Gtk::Box
 {
 public:
 	HBoxOperations() ;
diff --git a/src/HBoxOperations.cc b/src/HBoxOperations.cc
index a420756b..09bce99e 100644
--- a/src/HBoxOperations.cc
+++ b/src/HBoxOperations.cc
@@ -23,7 +23,8 @@
 namespace GParted
 {
 
-HBoxOperations::HBoxOperations() 
+HBoxOperations::HBoxOperations()
+ : Gtk::Box(Gtk::ORIENTATION_HORIZONTAL)
 {
 	//create listview for pending operations
 	liststore_operations = Gtk::ListStore::create( treeview_operations_columns );