diff --git a/cntlm.spec b/cntlm.spec
index 2a44cb1..9414d0d 100644
--- a/cntlm.spec
+++ b/cntlm.spec
@@ -31,7 +31,7 @@ contains detailed information.
 
 %build
 %configure
-make %{?_smp_mflags}
+make %{?_smp_mflags} SYSCONFDIR=%{_sysconfdir}
 
 %install
 rm -rf %{buildroot}