diff --git a/litellm/proxy/common_request_processing.py b/litellm/proxy/common_request_processing.py
index 96fb34c11b8..4a3e92798da 100644
--- a/litellm/proxy/common_request_processing.py
+++ b/litellm/proxy/common_request_processing.py
@@ -789,6 +789,10 @@ class ProxyBaseLLMRequestProcessing:
             self.data["litellm_call_id_from_client"] = True
         else:
             self.data["litellm_call_id"] = str(uuid.uuid4())
+            # Defensive: explicitly clear the flag so a body-injected
+            # `litellm_call_id_from_client: true` cannot flip precedence
+            # in get_spend_logs_id when no header was actually supplied.
+            self.data["litellm_call_id_from_client"] = False
         DDSpanTagger.tag_call_id(self.data.get("litellm_call_id"))
         DDSpanTagger.tag_request(
             user_api_key_dict=user_api_key_dict,
diff --git a/litellm/proxy/google_endpoints/endpoints.py b/litellm/proxy/google_endpoints/endpoints.py
index bf74fcacbf7..aa287ce3f16 100644
--- a/litellm/proxy/google_endpoints/endpoints.py
+++ b/litellm/proxy/google_endpoints/endpoints.py
@@ -64,6 +64,10 @@ async def google_generate_content(
         data["litellm_call_id_from_client"] = True
     else:
         data["litellm_call_id"] = str(uuid.uuid4())
+        # Defensive: explicitly clear the flag so a body-injected
+        # `litellm_call_id_from_client: true` cannot flip precedence
+        # in get_spend_logs_id when no header was actually supplied.
+        data["litellm_call_id_from_client"] = False
     logging_obj, data = litellm.utils.function_setup(
         original_function="agenerate_content",
         rules_obj=litellm.utils.Rules(),
@@ -130,6 +134,10 @@ async def google_stream_generate_content(
         data["litellm_call_id_from_client"] = True
     else:
         data["litellm_call_id"] = str(uuid.uuid4())
+        # Defensive: explicitly clear the flag so a body-injected
+        # `litellm_call_id_from_client: true` cannot flip precedence
+        # in get_spend_logs_id when no header was actually supplied.
+        data["litellm_call_id_from_client"] = False
     logging_obj, data = litellm.utils.function_setup(
         original_function="agenerate_content_stream",
         rules_obj=litellm.utils.Rules(),