diff --git a/Core/LAMBDA/viz_functions/viz_initialize_pipeline/lambda_function.py b/Core/LAMBDA/viz_functions/viz_initialize_pipeline/lambda_function.py
index ef00d960..8da4929b 100644
--- a/Core/LAMBDA/viz_functions/viz_initialize_pipeline/lambda_function.py
+++ b/Core/LAMBDA/viz_functions/viz_initialize_pipeline/lambda_function.py
@@ -327,7 +327,7 @@ def from_s3_file(cls, s3_file):
             configuration_name = "rfc"
             reference_time = datetime.datetime.strptime(f"{date[:4]}-{date[-4:][:2]}-{date[-2:]} {hour[-2:]}:{minute[-2:]}:00", '%Y-%m-%d %H:%M:%S')
         elif 'replace_route' in filename:
-            matches = re.findall(r"(.*)/(\d{8})/wrf_hydro/wrf_hydro.t(\d{2})z.medium_range.channel_rt.f(\d{3,5}).(.*)\.nc", filename)[0]
+            matches = re.findall(r"(.*)/(\d{8})/wrf_hydro/replace_route.t(\d{2})z.medium_range.channel_rt.f(\d{3,5}).(.*)\.nc", filename)[0]
             configuration_name = 'replace_route'
             date = matches[1]
             hour = matches[2]