diff --git a/GA/main.py b/GA/main.py
index f1f07ad..7e2a1f3 100644
--- a/GA/main.py
+++ b/GA/main.py
@@ -15,7 +15,7 @@ best_row_boundaries = None
 best_col_boundaries = None
 
 params_file = 'params3'
-with open(params_file + 'yml', 'r', encoding='utf-8') as file:
+with open(params_file + '.yml', 'r', encoding='utf-8') as file:
     params = yaml.safe_load(file)
 
 H = params['H']