diff --git a/images/heat/Earthfile b/images/heat/Earthfile
index c55fc42..f2eb878 100644
--- a/images/heat/Earthfile
+++ b/images/heat/Earthfile
@@ -1,5 +1,6 @@
 VERSION 0.7
 
+ARG --global REGISTRY=ghcr.io/vexxhost/atmosphere
 ARG --global PROJECT=heat
 ARG --global RELEASE=2023.2
 ARG --global PROJECT_REF=d1363cc17646893054f9e8daf40de67699078e7c
@@ -16,5 +17,5 @@
   DO ../+APT_INSTALL \
     --PACKAGES "curl jq"
   SAVE IMAGE --push \
-    ghcr.io/vexxhost/atmosphere/${PROJECT}:${RELEASE} \
-    ghcr.io/vexxhost/atmosphere/${PROJECT}:${PROJECT_REF}
+    ${REGISTRY}/${PROJECT}:${RELEASE} \
+    ${REGISTRY}/${PROJECT}:${PROJECT_REF}