diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3da3d2d..a4dd143 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,8 @@ include_directories(${PROJECT_SOURCE_DIR}
                     )
 
 add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/thirdparty/SQLiteCpp)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__FILENAME__='\"$(notdir $(abspath $@))\"'")
+
 
 add_executable(notification-daemon
   calendar-daemon.cpp
diff --git a/io/debug.h b/io/debug.h
index 9e28fc6..9641c2f 100644
--- a/io/debug.h
+++ b/io/debug.h
@@ -13,8 +13,9 @@ struct X {
 #endif
 };
 
-#define DEBUG (X(), std::cout << "DEBUG[" << __FILE__ << ":" << __LINE__ << " in " << __func__ << "()]: ")
-#define WARN  (X(), std::cout << "WARN [" << __FILE__ << ":" << __LINE__ << " in " << __func__ << "()]: ")
+
+#define DEBUG (X(), std::cout << "DEBUG[" << __FILENAME__ << ":" << __LINE__ << " in " << __func__ << "()]: ")
+#define WARN  (X(), std::cout << "WARN [" << __FILENAME__ << ":" << __LINE__ << " in " << __func__ << "()]: ")
 
 #ifdef LOG_DEBUG
 #define STEP \