diff --git a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
index 04e7e7cd289..99d2d0d7349 100644
--- a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
+++ b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2016 Wind River Systems, Inc. and others.
+ * Copyright (c) 2006, 2017 Wind River Systems, Inc. and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -2416,6 +2416,9 @@ public class CodeFormatterVisitor extends ASTVisitor implements ICPPASTVisitor,
 			return PROCESS_SKIP;
 		}
 		scribe.printNextToken(peekNextToken());
+		if (peekNextToken() == IToken.tELLIPSIS) {
+			scribe.printNextToken(IToken.tELLIPSIS);
+		}
 		scribe.printNextToken(Token.tLPAREN);
 		node.getTypeId().accept(this);
 		if (peekNextToken() == Token.tCOMMA) {
diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
index 12b2f18a031..f9e30efddb1 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2016 Wind River Systems, Inc. and others.
+ * Copyright (c) 2007, 2017 Wind River Systems, Inc. and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -3196,4 +3196,17 @@ public class CodeFormatterTest extends BaseUITestCase {
 				CCorePlugin.DO_NOT_INSERT);
 		assertFormatterResult();
 	}
+
+	//template<typename ...ARGS>
+	//int count(ARGS ... args) {
+	//	return sizeof...(ARGS);
+	//}
+
+	//template<typename ...ARGS>
+	//int count(ARGS ... args) {
+	//	return sizeof...(ARGS);
+	//}
+	public void testSizeofParameterPackFormat_464498() throws Exception {
+		assertFormatterResult();
+	}
 }