diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index b1d25fe..60905b7 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -89,7 +89,7 @@ add_definitions(-DVTE_INCLUDE)
 
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Werror -Wmissing-declarations -fdiagnostics-color=always \
 	-O2 -pipe -fno-plt -fexceptions \
-        -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security \
+        -Wformat -Werror=format-security \
         -fstack-clash-protection -fcf-protection")
         
 string(FIND "${CMAKE_CXX_FLAGS}" "-D_FORTIFY_SOURCE" FORTIFY_FOUND)