diff --git a/TicTacToe/TicTacToe.vcxproj b/TicTacToe/TicTacToe.vcxproj
index 0dc3f5c..c70ca2c 100644
--- a/TicTacToe/TicTacToe.vcxproj
+++ b/TicTacToe/TicTacToe.vcxproj
@@ -127,6 +127,7 @@
     <None Include="..\README.md" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="fonctions.cpp" />
     <ClCompile Include="main.cpp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/TicTacToe/TicTacToe.vcxproj.filters b/TicTacToe/TicTacToe.vcxproj.filters
index 13c19ba..34c81d4 100644
--- a/TicTacToe/TicTacToe.vcxproj.filters
+++ b/TicTacToe/TicTacToe.vcxproj.filters
@@ -26,5 +26,8 @@
     <ClCompile Include="main.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="fonctions.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/TicTacToe/fonctions.cpp b/TicTacToe/fonctions.cpp
new file mode 100644
index 0000000..e69de29