diff --git a/irqbalance.spec b/irqbalance.spec
index c9824f1..20be619 100644
--- a/irqbalance.spec
+++ b/irqbalance.spec
@@ -31,7 +31,7 @@ mkdir -p %{buildroot}/etc/rc.d/init.d
 mkdir -p %{buildroot}/etc/sysconfig
 
 cd irqbalance
-make CFLAGS="$RPM_OPT_FLAGS -fpie -pie -D_FORTIFY_SOURCE=2"
+make CFLAGS="$RPM_OPT_FLAGS -fpie -pie"
 
 %install
 mkdir -p %{buildroot}/usr/share/man/man{1,8}