diff --git a/src/gui/MainWindow.cs b/src/gui/MainWindow.cs
index f01b5a0..5d7768f 100644
--- a/src/gui/MainWindow.cs
+++ b/src/gui/MainWindow.cs
@@ -36,9 +36,9 @@ using Mono.Unix;
 
 public class BlessMain
 {
-	[Gtk.Builder.Object] Gtk.HBox DataViewBox;
+	[Gtk.Builder.Object] Gtk.Box DataViewBox;
 	[Gtk.Builder.Object] Gtk.Window MainWindow;
-	[Gtk.Builder.Object] Gtk.VBox MainVBox;
+	[Gtk.Builder.Object] Gtk.Box MainVBox;
 
 	const string uiXml =
 		"<menubar>" +
diff --git a/src/gui/plugins/BitwiseOperationsPlugin.cs b/src/gui/plugins/BitwiseOperationsPlugin.cs
index 2d38ef7..2fd9d17 100644
--- a/src/gui/plugins/BitwiseOperationsPlugin.cs
+++ b/src/gui/plugins/BitwiseOperationsPlugin.cs
@@ -193,7 +193,7 @@ public class BitwiseOperationsPlugin : GuiPlugin
 ///</summary>
 public class BitwiseOperationsWidget : Gtk.Box
 {
-	[Gtk.Builder.Object] Gtk.HBox BitwiseOperationsHBox;
+	[Gtk.Builder.Object] Gtk.Box BitwiseOperationsHBox;
 	[Gtk.Builder.Object] Gtk.Label SourceLabel;
 	[Gtk.Builder.Object] Gtk.EventBox SourceLabelEB;
 	[Gtk.Builder.Object] Gtk.Button DoOperationButton;
diff --git a/src/gui/plugins/GotoOffsetPlugin.cs b/src/gui/plugins/GotoOffsetPlugin.cs
index cd78ac0..1bed212 100644
--- a/src/gui/plugins/GotoOffsetPlugin.cs
+++ b/src/gui/plugins/GotoOffsetPlugin.cs
@@ -100,7 +100,7 @@ public class GotoOffsetPlugin : GuiPlugin
 ///</summary>
 public class GotoOffsetWidget : Gtk.Box
 {
-	[Gtk.Builder.Object] Gtk.HBox GotoOffsetHBox;
+	[Gtk.Builder.Object] Gtk.Box GotoOffsetHBox;
 	[Gtk.Builder.Object] Gtk.Button GotoOffsetButton;
 	[Gtk.Builder.Object] Gtk.Entry OffsetEntry;
 	[Gtk.Builder.Object] Gtk.Button CloseButton;
diff --git a/src/gui/plugins/ProgressDisplayPlugin.cs b/src/gui/plugins/ProgressDisplayPlugin.cs
index 5ca0b23..fdc68e4 100644
--- a/src/gui/plugins/ProgressDisplayPlugin.cs
+++ b/src/gui/plugins/ProgressDisplayPlugin.cs
@@ -100,7 +100,7 @@ public class ProgressDisplayWidget : Gtk.Box, IProgressDisplay
 
 public class ProgressDisplayBar : Gtk.Box {
 
-	[Gtk.Builder.Object] Gtk.HBox ProgressBarHBox;
+	[Gtk.Builder.Object] Gtk.Box ProgressBarHBox;
 	[Gtk.Builder.Object] Gtk.Button CancelButton;
 	[Gtk.Builder.Object] Gtk.ProgressBar ProgressBar;
 
diff --git a/src/gui/plugins/SelectRangePlugin.cs b/src/gui/plugins/SelectRangePlugin.cs
index f738cea..64debad 100644
--- a/src/gui/plugins/SelectRangePlugin.cs
+++ b/src/gui/plugins/SelectRangePlugin.cs
@@ -120,7 +120,7 @@ public class SelectRangePlugin : GuiPlugin
 ///</summary>
 public class SelectRangeWidget : Gtk.Box
 {
-	[Gtk.Builder.Object] Gtk.HBox SelectRangeHBox;
+	[Gtk.Builder.Object] Gtk.Box SelectRangeHBox;
 	[Gtk.Builder.Object] Gtk.Button SelectButton;
 	[Gtk.Builder.Object] Gtk.Entry FromEntry;
 	[Gtk.Builder.Object] Gtk.Entry ToEntry;