diff --git a/app/template/rest.py b/app/template/rest.py
index 2c3755b74..7c44ec405 100644
--- a/app/template/rest.py
+++ b/app/template/rest.py
@@ -240,11 +240,10 @@ def preview_letter_template_by_notification_id(service_id, notification_id, file
 
         if overlay:
             path = '/precompiled/overlay.{}'.format(file_type)
-            query_string = '?invert=1'
             content = pdf_file
         elif file_type == 'png':
-            path = '/precompiled-preview.png'
             query_string = '?hide_notify=true' if page_number == '1' else ''
+            path = '/precompiled-preview.png' + query_string
         else:
             path = None
 
@@ -260,7 +259,7 @@ def preview_letter_template_by_notification_id(service_id, notification_id, file
                 )
 
         if path:
-            url = current_app.config['TEMPLATE_PREVIEW_API_HOST'] + path + query_string
+            url = current_app.config['TEMPLATE_PREVIEW_API_HOST'] + path
             response_content = _get_png_preview_or_overlaid_pdf(url, content, notification.id, json=False)
         else:
             response_content = content
diff --git a/tests/app/template/test_rest.py b/tests/app/template/test_rest.py
index b0ff45ee8..e2d5caeb3 100644
--- a/tests/app/template/test_rest.py
+++ b/tests/app/template/test_rest.py
@@ -1102,8 +1102,8 @@ def test_preview_letter_template_precompiled_s3_error(
     "filetype, post_url, overlay",
     [
         ('png', 'precompiled-preview.png', None),
-        ('png', 'precompiled/overlay.png?invert=1', 1),
-        ('pdf', 'precompiled/overlay.pdf?invert=1', 1)
+        ('png', 'precompiled/overlay.png', 1),
+        ('pdf', 'precompiled/overlay.pdf', 1)
     ]
 )
 def test_preview_letter_template_precompiled_png_file_type_or_pdf_with_overlay(