diff --git a/BBH_orbit_parameter.py b/BBH_orbit_parameter.py
index 2414e33..4adf781 100755
--- a/BBH_orbit_parameter.py
+++ b/BBH_orbit_parameter.py
@@ -907,7 +907,7 @@ def generate_BBH_orbit_parameters( M1, M2, S1, S2, D0, e0 ):
     ## Write results to file for use by Einstein Toolkit and AMSS-NCKU
 
     # file1 = open( "BBH_parameter.output", "w" )
-    file1 = open( os.path.join(input_data.File_directionary, "BBH_parameter.output"), "w")
+    file1 = open( os.path.join(input_data.File_directory, "BBH_parameter.output"), "w")
 
     print(                                           file=file1 )
     print( "Binary orbital parameters",               file=file1 )