diff --git a/azure-quantum/azure/quantum/target/target.py b/azure-quantum/azure/quantum/target/target.py
index d878d4f4..ce4b5d1b 100644
--- a/azure-quantum/azure/quantum/target/target.py
+++ b/azure-quantum/azure/quantum/target/target.py
@@ -8,6 +8,7 @@
 import json
 import abc
 import warnings
+import copy
 
 from azure.quantum._client.models import TargetStatus
 from azure.quantum.job.job import Job
@@ -238,7 +239,7 @@ def submit(
         if isinstance(input_params, InputParams):
             input_params = input_params.as_dict()
         else:
-            input_params = input_params or {}
+            input_params = copy.deepcopy(input_params or {})
         input_data_format = None
         output_data_format = None
         content_type = None