diff --git a/CMakeLists.txt b/CMakeLists.txt
index b616323..54b124c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,14 +15,14 @@ else(READLINE_LIBRARY)
     SET (READLINE_FLAG )
 endif(READLINE_LIBRARY)
 
-SET (CMAKE_BUILD_TYPE gdb)
+#SET (CMAKE_BUILD_TYPE rel)
+SET (CMAKE_C_FLAGS_REL " -Wall -O3 ${READLINE_FLAG}")
+SET (CMAKE_CXX_FLAGS_REL " -Wall -O3 ${READLINE_FLAG}")
+
+#SET (CMAKE_BUILD_TYPE gdb)
 SET (CMAKE_C_FLAGS_GDB " -Wall -ggdb ${READLINE_FLAG}")
 SET (CMAKE_CXX_FLAGS_GDB " -Wall -ggdb ${READLINE_FLAG}")
 
-#SET (CMAKE_BUILD_TYPE rel)
-#SET (CMAKE_C_FLAGS_REL " -Wall -O3 ${READLINE_FLAG}")
-#SET (CMAKE_CXX_FLAGS_REL " -Wall -O3 ${READLINE_FLAG}")
-
 include_directories(include)
  
 find_package(Boost 1.36.0 COMPONENTS thread)