diff --git a/src/zeep/wsdl/bindings/soap.py b/src/zeep/wsdl/bindings/soap.py
index 3a5e5433..4b23517c 100644
--- a/src/zeep/wsdl/bindings/soap.py
+++ b/src/zeep/wsdl/bindings/soap.py
@@ -99,9 +99,9 @@ def _create(self, operation, args, kwargs, client=None, options=None):
                 else:
                     envelope, http_headers = client.wsse.apply(envelope, http_headers)
 
-        # Add extra http headers from the setings object
-        if client.settings.extra_http_headers:
-            http_headers.update(client.settings.extra_http_headers)
+            # Add extra http headers from the setings object
+            if client.settings.extra_http_headers:
+                http_headers.update(client.settings.extra_http_headers)
 
         return envelope, http_headers