diff --git a/DMX-2.0/MainWindow.cs b/DMX-2.0/MainWindow.cs
index 54e4616..c7d3771 100644
--- a/DMX-2.0/MainWindow.cs
+++ b/DMX-2.0/MainWindow.cs
@@ -117,6 +117,7 @@ namespace DMX2
 			nomCol.Title = "Nom";
 			nomCol.PackStart (nomCell, true);
 			nomCol.SetCellDataFunc (nomCell, new Gtk.TreeCellDataFunc (RenderMatriceNom));
+			nomCol.Resizable = true;
 			nomCell.Editable = true;
 			nomCell.Edited += OnNomCellEdited;
 			this.MatriceUI.AppendColumn (nomCol);
@@ -126,6 +127,7 @@ namespace DMX2
 			dureeCol.Title = "Durée";
 			dureeCol.PackStart (dureeCell, true);
 			dureeCol.SetCellDataFunc (dureeCell, new Gtk.TreeCellDataFunc (RenderMatriceDuree));
+			dureeCol.Resizable = true;
 			dureeCell.Editable = true;
 			dureeCell.Edited += OnDureeCellEdited;
 			this.MatriceUI.AppendColumn (dureeCol);
@@ -162,6 +164,7 @@ namespace DMX2
 				seqCol.Title = seq.Name;
 				seqCol.PackStart(seqCell, true);
 				seqCol.SetCellDataFunc ( seqCell, new Gtk.TreeCellDataFunc(RenderMatriceSeqVal));
+				seqCol.Resizable = true;
 				seqCell.Editable = true;
 				seqCell.Edited += OnSeqValCellEdited;
 				seqCell.Data[seqkey] = seq;
diff --git a/DMX-2.0/SeqMacroUI.cs b/DMX-2.0/SeqMacroUI.cs
index 6b9e0e5..bc51f0b 100644
--- a/DMX-2.0/SeqMacroUI.cs
+++ b/DMX-2.0/SeqMacroUI.cs
@@ -85,6 +85,7 @@ namespace DMX2
 			nomCol.Title = "Nom";
 			nomCol.PackStart (nomCell, true);
 			nomCol.SetCellDataFunc (nomCell, new Gtk.TreeCellDataFunc (RenderMatriceNom));
+			nomCol.Resizable = true;
 			nomCell.Editable = true;
 			nomCell.Edited += OnNomCellEdited;
 			effetsListe.AppendColumn (nomCol);
@@ -103,6 +104,7 @@ namespace DMX2
 			circuitsCol.Title = "Circuits";
 			circuitsCol.PackStart (circuitsCell, true);
 			circuitsCol.SetCellDataFunc (circuitsCell, new Gtk.TreeCellDataFunc (RenderMatriceCircuits));
+			circuitsCol.Resizable = true;
 			circuitsCell.Editable = true;
 			circuitsCell.Edited += OnCircuitsCellEdited;
 			effetsListe.AppendColumn (circuitsCol);