diff --git a/89_Tic-Tac-Toe/java/src/TicTacToe.java b/89_Tic-Tac-Toe/java/src/TicTacToe2.java
similarity index 99%
rename from 89_Tic-Tac-Toe/java/src/TicTacToe.java
rename to 89_Tic-Tac-Toe/java/src/TicTacToe2.java
index c8fa2d03..bda3793c 100644
--- a/89_Tic-Tac-Toe/java/src/TicTacToe.java
+++ b/89_Tic-Tac-Toe/java/src/TicTacToe2.java
@@ -4,7 +4,7 @@ import java.util.Random;
 /**
  * @author Ollie Hensman-Crook
  */
-public class TicTacToe {
+public class TicTacToe2 {
     public static void main(String[] args) {
         Board gameBoard = new Board();
         Random compChoice = new Random();
diff --git a/89_Tic-Tac-Toe/kotlin/TicTacToe.kt b/89_Tic-Tac-Toe/kotlin/TicTacToe2.kt
similarity index 100%
rename from 89_Tic-Tac-Toe/kotlin/TicTacToe.kt
rename to 89_Tic-Tac-Toe/kotlin/TicTacToe2.kt
diff --git a/buildJvm/build_89_Tic-Tac-Toe_java/gradle.properties b/buildJvm/build_89_Tic-Tac-Toe_java/gradle.properties
index a12fceda..5f342b1d 100644
--- a/buildJvm/build_89_Tic-Tac-Toe_java/gradle.properties
+++ b/buildJvm/build_89_Tic-Tac-Toe_java/gradle.properties
@@ -1,2 +1,2 @@
 gameSource=89_Tic-Tac-Toe/java/src
-gameMain=TicTacToe
+gameMain=TicTacToe2
diff --git a/buildJvm/build_89_Tic-Tac-Toe_kotlin/gradle.properties b/buildJvm/build_89_Tic-Tac-Toe_kotlin/gradle.properties
index 8bb1e169..dce0b4f3 100644
--- a/buildJvm/build_89_Tic-Tac-Toe_kotlin/gradle.properties
+++ b/buildJvm/build_89_Tic-Tac-Toe_kotlin/gradle.properties
@@ -1,2 +1,2 @@
 gameSource=89_Tic-Tac-Toe/kotlin
-gameMain=TicTacToeKt
+gameMain=TicTacToe2Kt