diff --git a/binhost/make.conf b/binhost/make.conf
index e7c7591..ec8a402 100644
--- a/binhost/make.conf
+++ b/binhost/make.conf
@@ -29,5 +29,6 @@ ACCEPT_LICENSE="*"
 BINPKG_FORMAT="gpkg"
 
 # gpg
+BINPKG_GPG_SIGNING_GPG_HOME="/root/.gnupg"
 BINPKG_GPG_SIGNING_KEY="0x2D74807D22E7B8551ADAABD44DD2AD0F96276ABF"
 BINPKG_GPG_SIGNING_BASE_COMMAND="/usr/bin/flock /run/lock/portage-binpkg-gpg.lock /usr/bin/gpg --sign --armor --batch --yes --pinentry-mode loopback [PORTAGE_CONFIG]"