diff --git a/CMakeLists.txt b/CMakeLists.txt
index e9de2b8..749da9a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -98,7 +98,7 @@ endif()
 
 if(GCTL_FOUND AND GCTL_OPTIMIZATION_FOUND)
     add_example(optimization ex1 ON OFF ON OFF)
-    add_example(optimization ex2 ON OFF ON OFF)
+    add_example(optimization lgd_solver_ex ON OFF ON OFF)
     add_example(optimization ex3 ON OFF ON OFF)
     add_example(optimization ex4 ON OFF ON OFF)
     add_example(optimization ex5 ON OFF ON OFF)
diff --git a/src/optimization/ex2.cpp b/src/optimization/lgd_solver_ex.cpp
similarity index 100%
rename from src/optimization/ex2.cpp
rename to src/optimization/lgd_solver_ex.cpp