diff --git a/addons/web_diagram/static/src/js/diagram.js b/addons/web_diagram/static/src/js/diagram.js
index ad3e5e68411..b3c2a7dcee1 100644
--- a/addons/web_diagram/static/src/js/diagram.js
+++ b/addons/web_diagram/static/src/js/diagram.js
@@ -109,12 +109,13 @@ instance.web.DiagramView = instance.web.View.extend({
 
     get_label : function(){
     	var self = this
-    	var html_label = _.each(self.labels,function(label){
-    		html_label = "<p>" + label.attrs.string + "</p>"
-    		self.$element.find('.oe_diagram_diagram_header').append(html_label)
-    		self.$element.find('.oe_diagram_diagram_header > p').css('padding-left','5px')
-    	})
-    	
+    	if(self.$element.find('.oe_diagram_diagram_header').text() == ""){
+	    	_.each(self.labels,function(label){
+	    		html_label = "<p>" + label.attrs.string + "</p>"
+		    	self.$element.find('.oe_diagram_diagram_header').append(html_label)
+		    	self.$element.find('.oe_diagram_diagram_header > p').css('padding-left','5px')
+	    	})
+    	}
     },
 
     on_diagram_loaded: function(record) {