diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -38,6 +38,8 @@
 	add_linker_flag(-pie)
 endif()
 
+add_compiler_flag(-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2)
+
 # Enable warning
 add_c_compiler_flag(-Wnested-externs -Wstrict-prototypes)
 add_compiler_flag(