diff --git a/src/project.conf b/src/project.conf
index 18e355a..cc09151 100644
--- a/src/project.conf
+++ b/src/project.conf
@@ -1,11 +1,12 @@
 targets=clock
-cflags_force=-W `pkg-config --cflags libSystem gtk+-2.0`
 cflags=-Wall -g -O2 -pedantic -fstack-protector -fPIE
+ldflags=-Wl,-pie
+#for Gtk+ 2
+cflags_force=-W `pkg-config --cflags libSystem gtk+-2.0`
 ldflags_force=`pkg-config --libs libSystem gtk+-2.0` -lintl
 #for Gtk+ 3
 #cflags_force=-W `pkg-config --cflags libSystem gtk+-3.0`
 #ldflags_force=`pkg-config --libs libSystem gtk+-3.0` -lintl
-ldflags=-Wl,-pie
 dist=Makefile,clock.h
 
 [clock]