diff --git a/import-layers/yocto-poky/meta/recipes-devtools/quilt/quilt.inc b/import-layers/yocto-poky/meta/recipes-devtools/quilt/quilt.inc
index 4e393c4..512b798 100644
--- a/import-layers/yocto-poky/meta/recipes-devtools/quilt/quilt.inc
+++ b/import-layers/yocto-poky/meta/recipes-devtools/quilt/quilt.inc
@@ -48,10 +48,10 @@
 }
 
 do_install_ptest() {
-	tar -cf - bin/ --exclude \*.in | ( cd ${D}${PTEST_PATH} && tar -xf - )
-	tar -cf - compat/ --exclude \*.in | ( cd ${D}${PTEST_PATH} && tar -xf - )
-	tar -cf - quilt/ --exclude \*.in | ( cd ${D}${PTEST_PATH} && tar -xf - )
-	tar -cf - test/ --exclude mail.test --exclude delete.test | ( cd ${D}${PTEST_PATH} && tar -xf - && chmod 777 test)
+	tar -c --exclude=\*.in bin/ | ( cd ${D}${PTEST_PATH} && tar -xf - )
+	tar -c --exclude=\*.in compat/ | ( cd ${D}${PTEST_PATH} && tar -xf - )
+	tar -c --exclude=\*.in quilt/ | ( cd ${D}${PTEST_PATH} && tar -xf - )
+	tar -c --exclude=mail.test --exclude=delete.test test/ | ( cd ${D}${PTEST_PATH} && tar -xf - && chmod 777 test)
 	cp ${WORKDIR}/Makefile ${D}${PTEST_PATH}
 	cp ${WORKDIR}/test.sh ${D}${PTEST_PATH}
 }