diff --git a/phpBB/styles/prosilver/template/forum_fn.js b/phpBB/styles/prosilver/template/forum_fn.js
index ad7e3fbc8e..8c619b8f81 100644
--- a/phpBB/styles/prosilver/template/forum_fn.js
+++ b/phpBB/styles/prosilver/template/forum_fn.js
@@ -183,20 +183,40 @@ function selectCode(a)
 	// Get ID of code block
 	var e = a.parentNode.parentNode.getElementsByTagName('CODE')[0];
 
-	if (document.selection)
+	// Not IE
+	if (window.getSelection)
+	{
+		var s = window.getSelection();
+		// Safari
+		if (s.setBaseAndExtent)
+		{
+			s.setBaseAndExtent(e, 0, e, 1);
+		}
+		// Firefox and Opera
+		else
+		{
+			var r = document.createRange();
+			r.selectNodeContents(e);
+			s.removeAllRanges();
+			s.addRange(r);
+		}
+	}
+	// Some older browsers
+	else if (document.getSelection)
+	{
+		var s = document.getSelection();
+		var r = document.createRange();
+		r.selectNodeContents(e);
+		s.removeAllRanges();
+		s.addRange(r);
+	}
+	// IE
+	else if (document.selection)
 	{
 		var r = document.body.createTextRange();
 		r.moveToElementText(e);
 		r.select();
 	}
-	else
-	{
-		var s = window.getSelection();
-		var r = document.createRange();
-		r.setStartBefore(e);
-		r.setEndAfter(e);
-		s.addRange(r);
-	}
 }
 
 /**