diff --git a/src/nextflow_building_blocks.py b/src/nextflow_building_blocks.py
index 5f8de682353448b24f7f38794320c4e3d259907e..9aced5528338b6b21a0fcbbe79e5033b07d0ca18 100644
--- a/src/nextflow_building_blocks.py
+++ b/src/nextflow_building_blocks.py
@@ -78,7 +78,7 @@ class Nextflow_Building_Blocks:
         return self.origin.get_name_file()
     
     def get_rocrate_key(self, dico):
-        return f"{self.get_file_address()[len(dico['temp_directory'])+1:]}#{self.get_name()}"
+        return f"{self.get_file_address()[len(dico['temp_directory'])+1:]}/{self.get_name()}"