# Pastebin q4tRf8ka
-        if fmt != "raw":
+        if fmt != "raw" and fmt != "iso":
+            # When the target format is NOT raw, we need to convert it.
+            # however, we don't need nor want to do that when we have
+            # an ISO image. If we have an ISO because it was requested,
+            # we have correctly fingerprinted it. Prior to proper
+            # image detection, we thought we had a raw image, and we
+            # would end up asking for a raw image to be made a raw image.
             staged = "%s.converted" % path