Index: plugin.js
===================================================================
--- plugin.js	(revision 7329)
+++ plugin.js	(working copy)
@@ -418,7 +418,9 @@
 
 			// If the fixed block is actually blank and is already followed by an exitable blank
 			// block, we should revert the fix and move into the existed one. (#3684)
-			if ( isBlankParagraph( fixedBlock ) )
+			if ( isBlankParagraph( fixedBlock )
+                && fixedBlock.$!==editor.document.getBody().$.lastChild
+                )
 			{
 				var element = fixedBlock.getNext( isNotWhitespace );
 				if ( element &&