diff --git a/src/project.conf b/src/project.conf
index 02c7342..e7e347c 100644
--- a/src/project.conf
+++ b/src/project.conf
@@ -1,5 +1,5 @@
 targets=clock
-cflags=-Wall -g -O2 -pedantic -fstack-protector -fPIE
+cflags=-W -Wall -g -O2 -fPIE -D_FORTIFY_SOURCE=2 -fstack-protector
 ldflags=-pie -Wl,-z,relro -Wl,-z,now
 #for Gtk+ 2
 #cflags_force=-W `pkg-config --cflags libSystem gtk+-2.0`