diff --git a/examples/ex07a_3d_mode.c b/examples/core_3d_mode.c
similarity index 99%
rename from examples/ex07a_3d_mode.c
rename to examples/core_3d_mode.c
index a7ad43c1b..984f3fea5 100644
--- a/examples/ex07a_3d_mode.c
+++ b/examples/core_3d_mode.c
@@ -61,4 +61,4 @@ int main()
     //--------------------------------------------------------------------------------------
     
     return 0;
-}
\ No newline at end of file
+}