diff --git a/dialog.c b/dialog.c
index 84869195..cbe95124 100644
--- a/dialog.c
+++ b/dialog.c
@@ -364,6 +364,7 @@ union control *ctrl_listbox(struct controlset *s,char *label,char shortcut,
     c->listbox.percentwidth = 100;
     c->listbox.ncols = 0;
     c->listbox.percentages = NULL;
+    c->listbox.hscroll = TRUE;
     return c;
 }
 
diff --git a/dialog.h b/dialog.h
index 9ea8599e..6f454f56 100644
--- a/dialog.h
+++ b/dialog.h
@@ -345,6 +345,12 @@ union control {
 	 */
 	int ncols;		       /* number of columns */
 	int *percentages;	       /* % width of each column */
+        /*
+         * Flag which can be set to FALSE to suppress the horizontal
+         * scroll bar if a list box entry goes off the right-hand
+         * side.
+         */
+        int hscroll;
     } listbox;
     struct {
 	STANDARD_PREFIX;
diff --git a/unix/gtkdlg.c b/unix/gtkdlg.c
index 86fa310e..3776df8c 100644
--- a/unix/gtkdlg.c
+++ b/unix/gtkdlg.c
@@ -2276,15 +2276,22 @@ GtkWidget *layout_ctrls(struct dlgparam *dp, struct Shortcuts *scs,
 		    cols = cols ? cols : 1;
 		    for (i = 0; i < cols; i++) {
 			GtkTreeViewColumn *column;
+                        GtkCellRenderer *cellrend;
 			/*
 			 * It appears that GTK 2 doesn't leave us any
 			 * particularly sensible way to honour the
 			 * "percentages" specification in the ctrl
 			 * structure.
 			 */
+                        cellrend = gtk_cell_renderer_text_new();
+                        if (!ctrl->listbox.hscroll) {
+                            gtk_object_set(GTK_OBJECT(cellrend),
+                                           "ellipsize", PANGO_ELLIPSIZE_END,
+                                           "ellipsize-set", TRUE,
+                                           NULL);
+                        }
 			column = gtk_tree_view_column_new_with_attributes
-			    ("heading", gtk_cell_renderer_text_new(),
-			     "text", i+1, (char *)NULL);
+			    ("heading", cellrend, "text", i+1, (char *)NULL);
 			gtk_tree_view_column_set_sizing
 			    (column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 			gtk_tree_view_append_column(GTK_TREE_VIEW(w), column);