diff --git a/CMakeLists.txt b/CMakeLists.txt
index 18ff726e..8125f273 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,7 +58,7 @@ endmacro(add_gcc_compiler_flags)
 
 add_definitions(-DQT_NO_KEYWORDS -DQT_NO_EXCEPTIONS -DQT_NO_STL -DQT_STRICT_ITERATORS -DQT_NO_CAST_TO_ASCII)
 
-add_gcc_compiler_flags("-fno-common -fstack-protector -D_FORTIFY_SOURCE=2")
+add_gcc_compiler_flags("-fno-common -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2")
 add_gcc_compiler_flags("-Wall -Wextra -Wundef -Wpointer-arith -Wno-long-long")
 add_gcc_compiler_flags("-Wformat=2 -Wmissing-format-attribute")
 add_gcc_compiler_flags("-fvisibility=hidden")
@@ -75,16 +75,12 @@ if(WERROR_C_AVAILABLE AND WERROR_CXX_AVAILABLE)
   add_gcc_compiler_cflags("-Werror=implicit-function-declaration")
 endif()
 
-if(CMAKE_COMPILER_IS_CLANGXX)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mllvm -stack-protector-buffer-size=4")
-elseif(CMAKE_COMPILER_IS_GNUCXX)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wcast-align --param=ssp-buffer-size=4")
+if(CMAKE_COMPILER_IS_GNUCXX)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wcast-align")
 endif()
 
-if(CMAKE_COMPILER_IS_CLANG)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mllvm -stack-protector-buffer-size=4")
-elseif(CMAKE_COMPILER_IS_GNUCC)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wcast-align --param=ssp-buffer-size=4")
+if(CMAKE_COMPILER_IS_GNUCC)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wcast-align")
 endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Linux")