diff --git a/Utils.js b/Utils.js
index a41fbc6..1aff39f 100644
--- a/Utils.js
+++ b/Utils.js
@@ -79,6 +79,16 @@ Ext.define('Proxmox.Utils', { utilities: {
 	return value ? Proxmox.Utils.enabledText : Proxmox.Utils.disabledText;
     },
 
+    compute_min_label_width: function(text, width) {
+
+	if (width === undefined) { width = 100; }
+
+	var tm = new Ext.util.TextMetrics();
+	var min = tm.getWidth(text + ':');
+
+	return min < width ? width : min;
+    },
+
     authOK: function() {
 	return (Proxmox.UserName !== '') && Ext.util.Cookies.get(Proxmox.Setup.auth_cookie_name);
     },
diff --git a/grid/ObjectGrid.js b/grid/ObjectGrid.js
index 743532d..0808727 100644
--- a/grid/ObjectGrid.js
+++ b/grid/ObjectGrid.js
@@ -29,8 +29,6 @@ Ext.define('Proxmox.grid.ObjectGrid', {
 
 	opts = opts || {};
 
-	var tm = new Ext.util.TextMetrics();
-
 	me.rows[name] = {
 	    required: true,
 	    defaultValue: opts.defaultValue || 0,
@@ -46,7 +44,8 @@ Ext.define('Proxmox.grid.ObjectGrid', {
 		    defaultValue: opts.defaultValue  || 0,
 		    checked: opts.defaultValue ? true : false,
 		    deleteDefaultValue: opts.deleteDefaultValue ? true : false,
-		    labelWidth: opts.labelWidth || tm.getWidth(text + ':'),
+		    labelWidth: Proxmox.Utils.compute_min_label_width(
+			text, opts.labelWidth),
 		    fieldLabel: text
 		}
 	    }
@@ -58,8 +57,6 @@ Ext.define('Proxmox.grid.ObjectGrid', {
 
 	opts = opts || {}
 
-	var tm = new Ext.util.TextMetrics();
-
 	me.rows[name] = {
 	    required: true,
 	    defaultValue: opts.defaultValue,
@@ -75,7 +72,8 @@ Ext.define('Proxmox.grid.ObjectGrid', {
 		    emptyText: gettext('Default'),
 		    deleteEmpty: true,
 		    value: opts.defaultValue,
-		    labelWidth: opts.labelWidth || tm.getWidth(text + ':'),
+		    labelWidth: Proxmox.Utils.compute_min_label_width(
+			text, opts.labelWidth),
 		    fieldLabel: text
 		}
 	    }