diff --git a/CMakeLists.txt b/CMakeLists.txt
index f53f253a..9b4f5eb7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,7 +52,7 @@ if(WIN32)
 elseif(UNIX)
 	find_package(Curses REQUIRED)
 
-	set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG -DDEBUG_LEVEL=2 -DPRODUCTION=0")
+	set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG -DDEBUG_LEVEL=2 -DPRODUCTION=0 -g -O0")
 	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DDEBUG_LEVEL=0 -DPRODUCTION=1 -O3 -s")
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-write-strings")