diff --git a/Makefile b/Makefile
index b12ac95..9e8a789 100644
--- a/Makefile
+++ b/Makefile
@@ -28,13 +28,14 @@ wm: $(TARGET_NAME)
 	DISPLAY=:3 $(TARGET)
 
 debug: $(TARGET_NAME)
-	DISPLAY=:3 valgrind $(TARGET)
+	DISPLAY=:3 valgrind --leak-check=full $(TARGET)
 
 prepare:
 	@cmake -S $(SRC_DIR) -B $(BUILD_DIR)
 	@cp $(BUILD_DIR)/compile_commands.json $(MAKEFILE_DIR)
 
 build: prepare
+	${RM} -f $(TARGET)
 	@cmake --build $(BUILD_DIR)
 	@cp $(BUILD_DIR)/$(TARGET_NAME) $(TARGET)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 566a00d..ab6cfc6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -12,6 +12,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 # compile flags
 add_compile_options(-g)
 add_compile_options(-Wall)
+# add_link_options(-fsanitize=address)
 
 project(${APP_NAME}
     VERSION 0.0.1