diff --git a/reportservice/report_service.py b/reportservice/report_service.py
index cff949f9da712a641504eb84c3e4d7f04358ace7..f1177cc35c475ab664da23bac429eceabc79fce4 100644
--- a/reportservice/report_service.py
+++ b/reportservice/report_service.py
@@ -278,7 +278,7 @@ async def server_runner(conf_file):
 
                     for f in figures:
                         const = f.split('/')[-1].split('_')[0]
-                        fpath = '{}/{}/{}'.format(path, instr_name,
+                        fpath = '{}/{}/{}/{}'.format(path, instr_name,
                                                   det_name, const)
 
                         os.makedirs(fpath, exist_ok=True)