diff --git a/projects/infer/infer/postprocess.py b/projects/infer/infer/postprocess.py
index 5c4bdc0e..386db2e9 100644
--- a/projects/infer/infer/postprocess.py
+++ b/projects/infer/infer/postprocess.py
@@ -47,8 +47,8 @@ def __init__(
         self.offset = int(psd_length * inference_sampling_rate)
 
         # convert our window lengths to sample units
-        self.integration_window_size = int(
-            inference_sampling_rate * integration_window_length
+        self.integration_window_size = (
+            int(inference_sampling_rate * integration_window_length) + 1
         )
         self.cluster_window_size = int(
             inference_sampling_rate * cluster_window_length