diff --git a/pmodules_tools/db_diff/check.py b/pmodules_tools/db_diff/check.py
index ec012bd1..e2fe23e4 100644
--- a/pmodules_tools/db_diff/check.py
+++ b/pmodules_tools/db_diff/check.py
@@ -102,7 +102,7 @@ def db_check_diff(current_pmodule_state, Pmodules_db_path, Pmodules_states):
         )
         old_db = set(" ".join(i.split()) for i in old_pmodule_state.splitlines())
         all_module_list = list(current_db)
-	print(all_module_list)
+        print(all_module_list)
         all_module_list = sorted(all_module_list)
 
         # We have to check the differences between the pmodule states.