diff --git a/CHANGES.md b/CHANGES.md
index 4185a5c46b2..076b555838f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -15,6 +15,7 @@ Fixed Issues:
 * [#10032](http://dev.ckeditor.com/ticket/10032): Fixed: [Paste from Word](http://ckeditor.com/addon/pastefromword) filter is executed for every paste after using the button.
 * [#12597](http://dev.ckeditor.com/ticket/12597): [Blink/Webkit] Fixed: Multi-byte Japanese chars entry not working properly after *Shift+Enter*.
 * [#12387](http://dev.ckeditor.com/ticket/12387): Fixed: An error is thrown if a skin does not have the [`chameleon`](http://docs.ckeditor.com/#!/api/CKEDITOR.skin-method-chameleon) property defined and [`config.uiColor`](http://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-uiColor) was defined.
+* [#12850](http://dev.ckeditor.com/ticket/12850): [IEQM] Fixed: Error is thrown after focusing the editor.
 
 ## CKEditor 4.4.6
 
diff --git a/core/editable.js b/core/editable.js
index ca6db9f1c2f..2da14e66b74 100644
--- a/core/editable.js
+++ b/core/editable.js
@@ -495,8 +495,8 @@
 			fixInitialSelection: function() {
 				var that = this;
 
-				// Deal with IE8- (the old MS selection) first.
-				if ( CKEDITOR.env.ie && CKEDITOR.env.version < 9 ) {
+				// Deal with IE8- IEQM (the old MS selection) first.
+				if ( CKEDITOR.env.ie && ( CKEDITOR.env.version < 9 || CKEDITOR.env.quirks ) ) {
 					if ( this.hasFocus ) {
 						this.focus();
 						fixMSSelection();