diff --git a/capsulflask/virt_model.py b/capsulflask/virt_model.py
index 51db58a..2bf8d9a 100644
--- a/capsulflask/virt_model.py
+++ b/capsulflask/virt_model.py
@@ -106,7 +106,7 @@ class ShellScriptVirtualization(VirtualizationInterface):
   def list_ids(self) -> list:
     completedProcess = run([join(current_app.root_path, 'shell_scripts/list-ids.sh')], capture_output=True)
     self.validate_completed_process(completedProcess)
-    return completedProcess.stdout.splitlines()
+    return list(map(lambda x: x.decode("utf-8"), completedProcess.stdout.splitlines() ))
 
   def create(self, email: str, id: str, template_image_file_name: str, vcpus: int, memory_mb: int, ssh_public_keys: list):
     validate_capsul_id(id)