diff --git a/util-linux.spec b/util-linux.spec
index d9158bb..7c055a2 100644
--- a/util-linux.spec
+++ b/util-linux.spec
@@ -242,7 +242,7 @@ autoconf
 # note: we disable tty group (USE_TTY_GROUP) in Makefiles to prevent call chgrp 
 # during the "make install". But we define -DUSE_TTY_GROUP that enable tty groups in
 # *.c files only.
-export CFLAGS="%{make_cflags} -DUSE_TTY_GROUP $RPM_OPT_FLAGS %{?_smp_mflags}"
+export CFLAGS="%{make_cflags} -DUSE_TTY_GROUP $RPM_OPT_FLAGS"
 %configure \
 	--disable-wall \
 	--disable-use-tty-group \
@@ -259,7 +259,7 @@ export CFLAGS="%{make_cflags} -DUSE_TTY_GROUP $RPM_OPT_FLAGS %{?_smp_mflags}"
 %define _prefix	/usr
 
 # build util-linux
-make
+make %{?_smp_mflags}
 
 # build kbdrate
 %if %{with_kbdrate}