diff --git a/modules/deeplearning/amv_raob.py b/modules/deeplearning/amv_raob.py
index 9000e478d52f344949c449819e7607d3930d55c2..dd5cf296f63dd77d7cc412ddb81de16e00cd2a1c 100644
--- a/modules/deeplearning/amv_raob.py
+++ b/modules/deeplearning/amv_raob.py
@@ -493,7 +493,7 @@ def get_bounding_goes16_files(timestamp, ch_str, file_time_span=5):
     farr = farr[sidxs]
     ftimes = tarr[sidxs]
 
-    ftimes_n = ftimes + (dt_obj + datetime.timedelta(minutes=file_time_span)).timestamp()
+    ftimes_n = ftimes + file_time_span * 60
     iC = -1
     for k, t in enumerate(ftimes):
         if t <= timestamp < ftimes_n[k]: