diff --git a/jupyter-base/build.sh b/jupyter-base/build.sh
index 6b34fda..d8a42fe 100644
--- a/jupyter-base/build.sh
+++ b/jupyter-base/build.sh
@@ -14,8 +14,14 @@ else
     exit 1
 fi
 
+format=""
+if [ "$imcmd" == "podman" ]; then
+    format="--format docker"
+fi
+
 branch=$(git symbolic-ref --short HEAD)
 
 $imcmd build    \
+    $format     \
     "$@"        \
     --tag registry.spin.nersc.gov/das/jupyter-base-$branch:latest .