diff --git a/src/plugins/cpptools/cppcodecompletion.cpp b/src/plugins/cpptools/cppcodecompletion.cpp
index 35b751104d3..1be7e410012 100644
--- a/src/plugins/cpptools/cppcodecompletion.cpp
+++ b/src/plugins/cpptools/cppcodecompletion.cpp
@@ -1224,8 +1224,9 @@ void CppCodeCompletion::complete(const TextEditor::CompletionItem &item)
                     extraChars += QLatin1Char('(');
 
                     // If the function takes no arguments, automatically place the closing parenthesis
-                    if (function->argumentCount() == 0 || (function->argumentCount() == 1 &&
-                                                           function->argumentAt(0)->type()->isVoidType())) {
+                    if (item.m_duplicateCount == 0 && (function->argumentCount() == 0 ||
+                                                       (function->argumentCount() == 1 &&
+                                                        function->argumentAt(0)->type()->isVoidType()))) {
                         extraChars += QLatin1Char(')');
 
                         // If the function doesn't return anything, automatically place the semicolon,
diff --git a/src/plugins/texteditor/completionsupport.cpp b/src/plugins/texteditor/completionsupport.cpp
index 53de9ee66e1..2e456193ad5 100644
--- a/src/plugins/texteditor/completionsupport.cpp
+++ b/src/plugins/texteditor/completionsupport.cpp
@@ -186,6 +186,8 @@ QList<CompletionItem> CompletionSupport::getCompletions() const
         if (item.m_text != lastKey) {
             uniquelist.append(item);
             lastKey = item.m_text;
+        } else {
+            uniquelist.last().m_duplicateCount++;
         }
     }
 
diff --git a/src/plugins/texteditor/icompletioncollector.h b/src/plugins/texteditor/icompletioncollector.h
index c8c035802e4..49d70f18288 100644
--- a/src/plugins/texteditor/icompletioncollector.h
+++ b/src/plugins/texteditor/icompletioncollector.h
@@ -46,6 +46,7 @@ struct CompletionItem
 {
     CompletionItem(ICompletionCollector *collector = 0)
         : m_relevance(0),
+          m_duplicateCount(0),
           m_collector(collector)
     { }
 
@@ -60,6 +61,7 @@ struct CompletionItem
     QIcon m_icon;
     QVariant m_data;
     int m_relevance;
+    int m_duplicateCount;
     ICompletionCollector *m_collector;
 };