diff --git a/core/inlineimage.class.inc.php b/core/inlineimage.class.inc.php
index 2a57ace66..3ce38fee8 100644
--- a/core/inlineimage.class.inc.php
+++ b/core/inlineimage.class.inc.php
@@ -415,6 +415,7 @@ EOF
 
 		$sAbsoluteUrlAppRoot = utils::GetAbsoluteUrlAppRoot();
 		$sToggleFullScreen = htmlentities(Dict::S('UI:ToggleFullScreen'), ENT_QUOTES, 'UTF-8');
+		$sAppRootUrl = utils::GetAbsoluteUrlAppRoot();
 
 		return
 <<<EOF
@@ -461,15 +462,17 @@ EOF
 			}, null, null, 4 ); // Listener with priority 4 will be executed before priority 5.
 		
 			oEditor.on( 'instanceReady', function() {
-				console.log(oEditor, $('.cke_toolbox_collapser'));
-				$('#'+oEditor.id+'_toolbox').append('<span class="editor_magnifier" title="$sToggleFullScreen" style="display:block;width:12px;height:11px;border:1px #A6A6A6 solid;cursor:pointer; background-image:url(../images/full-screen.png)">&nbsp;</span>');
-				$('#'+oEditor.id+'_toolbox .editor_magnifier').on('click', function() {
-						oEditor.execCommand('maximize');
-						if ($(this).closest('.cke_maximized').length != 0)
-						{
-							$('#'+oEditor.id+'_toolbar_collapser').trigger('click');
-						}
-				});
+				if($('#'+oEditor.id+'_toolbox .editor_magnifier').length == 0)
+				{
+					$('#'+oEditor.id+'_toolbox').append('<span class="editor_magnifier" title="$sToggleFullScreen" style="display:block;width:12px;height:11px;border:1px #A6A6A6 solid;cursor:pointer; background-image:url($sAppRootUrl/images/full-screen.png)">&nbsp;</span>');
+					$('#'+oEditor.id+'_toolbox .editor_magnifier').on('click', function() {
+							oEditor.execCommand('maximize');
+							if ($(this).closest('.cke_maximized').length != 0)
+							{
+								$('#'+oEditor.id+'_toolbar_collapser').trigger('click');
+							}
+					});
+				}
 				oEditor.widgets.registered.uploadimage.onUploaded = function( upload ) {
 				var oData = JSON.parse(upload.xhr.responseText);
 			    	this.replaceWith( '<img src="' + upload.url + '" ' +