diff --git a/NEWS.md b/NEWS.md
index 4047f1dd..33530898 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,6 @@
 Version 0.8.4 For Dev-C++ 7 Beta
  - enhancement: auto save/load the default open folder in the configuration file
+ - fix: shouldn't auto add '()' when char succeeding the completed function name is '('
 
 Version 0.8.3 For Dev-C++ 7 Beta
  - enhancement: View menu
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index 794aa1fb..fb34914f 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -2462,7 +2462,7 @@ void Editor::completionInsert(bool appendFunc)
                 || statement->kind == StatementKind::skConstructor
                 || statement->kind == StatementKind::skDestructor) {
             if ((p.Char >= lineText().length()) // it's the last char on line
-                    || (lineText().at(p.Char) != '(')) {  // it don't have '(' after it
+                    || (lineText().at(p.Char-1) != '(')) {  // it don't have '(' after it
                 if (statement->fullName!="std::endl")
                     funcAddOn = "()";
             }