diff --git a/contributors.txt b/contributors.txt
index c54c0279e..a35b20200 100644
--- a/contributors.txt
+++ b/contributors.txt
@@ -212,3 +212,4 @@ YYYY/MM/DD, github id, Full name, email
 2018/11/29, hannemann-tamas, Ralf Hannemann-Tamas, ralf.ht@gmail.com
 2018/12/20, WalterCouto, Walter Couto, WalterCouto@users.noreply.github.com
 2018/12/23, youkaichao, Kaichao You, youkaichao@gmail.com
+2019/02/06, ralucado, Cristina Raluca Vijulie, ralucris.v[at]gmail[dot]com
diff --git a/runtime/Python3/src/antlr4/ParserRuleContext.py b/runtime/Python3/src/antlr4/ParserRuleContext.py
index c5049eb78..e4ec5983a 100644
--- a/runtime/Python3/src/antlr4/ParserRuleContext.py
+++ b/runtime/Python3/src/antlr4/ParserRuleContext.py
@@ -113,7 +113,7 @@ class ParserRuleContext(RuleContext):
 
     def getChild(self, i:int, ttype:type = None):
         if ttype is None:
-            return self.children[i] if len(self.children)>=i else None
+            return self.children[i] if len(self.children)>i else None
         else:
             for child in self.getChildren():
                 if not isinstance(child, ttype):