diff --git a/defaults.sh b/defaults.sh
index 7b9b7d6..4b7100d 100755
--- a/defaults.sh
+++ b/defaults.sh
@@ -88,7 +88,7 @@ export LXD_UBUNTU_BASE_VERSION="jammy"
 export BASE_IMAGE_VM_NAME="ss-base-${LXD_UBUNTU_BASE_VERSION//./-}"
 export BASE_LXC_IMAGE="ubuntu/$LXD_UBUNTU_BASE_VERSION/cloud"
 WEEK_NUMBER=$(date +%U)
-export UBUNTU_BASE_IMAGE_NAME="ss-ubuntu-${LXD_UBUNTU_BASE_VERSION//./-}-$WEEK_NUMBER"
+export UBUNTU_BASE_IMAGE_NAME="ss-ubuntu-${LXD_UBUNTU_BASE_VERSION//./-}"
 
 export DOCKER_BASE_IMAGE_NAME="ss-docker-${LXD_UBUNTU_BASE_VERSION//./-}-$WEEK_NUMBER"