diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 36fc86f..940d4db 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -115,16 +115,16 @@ add_compile_definitions(DEBIAN_ARCHITECTURE="${DEBIAN_ARCHITECTURE}")
 if (CMAKE_BUILD_TYPE MATCHES Debug)
     message(STATUS "Debug build")
 
-    set (CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -O0 -DDEBUG -D_GLIBCXX_DEBUG" )
+    set (CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -O0 -g -DDEBUG -D_GLIBCXX_DEBUG" )
     if (USE_SANITIZE) 
         set (CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -fsanitize=address -static-libasan  " )
     endif()
 elseif(CMAKE_BUILD_TYPE MATCHES RelWithDebInfo)
     message(STATUS "RelWithgDebInfo build")
-    set (CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -DNDEBUG" )
+    set (CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -g -O2 -DNDEBUG" )
 else()
     message(STATUS "Release build")
-    set (CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -DNDEBUG" )
+    set (CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -O2 -DNDEBUG" )
 endif()
 
 if (ENABLE_BACKTRACE)