diff --git a/src/cristallina/utils.py b/src/cristallina/utils.py
index 4bfa77b..e665a9c 100644
--- a/src/cristallina/utils.py
+++ b/src/cristallina/utils.py
@@ -97,7 +97,7 @@ def print_run_info(
         break
 def number_of_steps(scan_number_or_scan):
     """Returns number of steps for a scan object or run number"""
-    scan = cu.get_scan_from_run_number_or_scan(scan_number_or_scan)
+    scan = get_scan_from_run_number_or_scan(scan_number_or_scan)
     return len(scan.info['scan_readbacks'])
 
 def process_run(run_number, rois,detector='JF16T03V01', calculate =None, only_shots=slice(None), n_jobs=cpu_count()-2):