diff --git a/src/TestSaveGofRm.py b/src/TestSaveGofRm.py
index 2af1bb18d6f07fe12f743d5d7a21840cddda6c23..b110a7b007d41ab8ed6cd2e3fed79121cc351579 100755
--- a/src/TestSaveGofRm.py
+++ b/src/TestSaveGofRm.py
@@ -30,7 +30,7 @@ def main():
 		date_save = today.strftime("%Y-%m-%d") + '-' + str(obj_now.hour) + '-' + str(obj_now.minute) + '-' + str(obj_now.second) 
 		# get machine energy
 		energy="{:.0f}Gev".format(dcct.Energy*10)
-		filename = "resp_mat_direct_horver_" + energy + "_" + date_save + ".mat"
+		filename = "resp_mat_direct_horver_" + energy + "_" + date_save + ".itpp"
 		path = "/runtime/site/ecgofmasa5/etc/"
 		# full path filename
 		path_filename = path + filename