diff --git a/src/confcom/azext_confcom/container.py b/src/confcom/azext_confcom/container.py
index 1d18856d4a2..8819ff65d6d 100644
--- a/src/confcom/azext_confcom/container.py
+++ b/src/confcom/azext_confcom/container.py
@@ -314,7 +314,7 @@ def __init__(
     ) -> None:
         self.containerImage = containerImage
         if ":" in containerImage:
-            self.base, self.tag = containerImage.split(":")
+            self.base, self.tag = containerImage.split(":", 1)
         else:
             self.base, self.tag = containerImage, "latest"
         self._environmentRules = environmentRules
diff --git a/src/confcom/azext_confcom/template_util.py b/src/confcom/azext_confcom/template_util.py
index d5cff78dbe3..66ea51218b8 100644
--- a/src/confcom/azext_confcom/template_util.py
+++ b/src/confcom/azext_confcom/template_util.py
@@ -36,6 +36,10 @@ def get_image_info(progress, message_queue, client, tar_mapping, image):
     image_info = None
     raw_image = None
     image_name = f"{image.base}:{image.tag}"
+    if len(image.tag.split(":")) > 1:
+        eprint(
+            f"The image name: {image.tag} cannot have the digest present to use a tarball as the image source"
+        )
     # only try to grab the info locally if that's absolutely what
     # we want to do
     if tar_mapping: