diff --git a/.env.sample b/.env.sample
index 8419d1c..49c9370 100644
--- a/.env.sample
+++ b/.env.sample
@@ -15,10 +15,10 @@ APP_DOCKER_IMAGE=bonfirenetworks/bonfire:latest-${FLAVOUR}-amd64
 #APP_DOCKER_IMAGE=bonfirenetworks/bonfire:latest-${FLAVOUR}
 
 # note that different flavours or architectures may require different postgres builds:
-# For ARM:
-# DB_DOCKER_IMAGE=ghcr.io/baosystems/postgis:12-3.3
+# For ARM or x86:
+DB_DOCKER_IMAGE=ghcr.io/baosystems/postgis:12-3.3
 # for x86:
-DB_DOCKER_IMAGE=postgis/postgis:12-3.3-alpine
+# DB_DOCKER_IMAGE=postgis/postgis:12-3.3-alpine
 # multiarch (but doesn't have required Postgis extension)
 #DB_DOCKER_IMAGE=postgres:12-alpine