diff --git a/CMakeLists.txt b/CMakeLists.txt
index af69306..3bfff3c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,8 +2,8 @@ project (ndhcp)
 
 cmake_minimum_required (VERSION 2.6)
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s -std=gnu99 -pedantic -Wall -Wextra -Wformat=2 -Wformat-nonliteral -Wformat-security -Wshadow -Wpointer-arith -Wcast-qual -Wmissing-prototypes -lrt -lcap -D_GNU_SOURCE -DHAVE_CLEARENV -DLINUX")
-set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -s -std=gnu99 -pedantic -Wall -Wextra -Wformat=2 -Wformat-nonliteral -Wformat-security -Wshadow -Wpointer-arith -Wcast-qual -Wmissing-prototypes -lrt -lcap -D_GNU_SOURCE -DHAVE_CLEARENV -DLINUX")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s -std=gnu99 -pedantic -Wall -Wextra -Wformat=2 -Wformat-nonliteral -Wformat-security -Wshadow -Wpointer-arith -Wmissing-prototypes -lrt -lcap -D_GNU_SOURCE -DHAVE_CLEARENV -DLINUX")
+set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -s -std=gnu99 -pedantic -Wall -Wextra -Wformat=2 -Wformat-nonliteral -Wformat-security -Wshadow -Wpointer-arith -Wmissing-prototypes -lrt -lcap -D_GNU_SOURCE -DHAVE_CLEARENV -DLINUX")
 
 include_directories("${PROJECT_SOURCE_DIR}/ncmlib")
 add_subdirectory(ncmlib)