diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionContributor.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionContributor.java
index 6f27953fe7f..7cd1139a06e 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionContributor.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionContributor.java
@@ -123,6 +123,12 @@ public class DOMCompletionContributor implements ICompletionContributor {
 					}
 				}
 			
+			if (function.takesVarArgs()) {
+				if (args.length() > 0)
+					args.append(',');
+				args.append(" ...");
+			}
+			
 			IType returnType = function.getType().getReturnType();
 			if (returnType != null)
 				returnTypeStr = ASTTypeUtil.getType(returnType);