diff --git a/net-wireless/wireless-regdb/wireless-regdb-20220606-r1.ebuild b/net-wireless/wireless-regdb/wireless-regdb-20220606-r1.ebuild
index 1d787317d..f7c7f7993 100644
--- a/net-wireless/wireless-regdb/wireless-regdb-20220606-r1.ebuild
+++ b/net-wireless/wireless-regdb/wireless-regdb-20220606-r1.ebuild
@@ -29,7 +29,7 @@ src_prepare() {
 src_compile() {
 	if use pentoo; then
 		emake install-distro-key || die "make install-distro-key failed"
-		emake || die "emake failed"
+		emake -j1 || die "emake failed"
 	fi
 	true
 }