diff --git a/nafuma/xanes/calib.py b/nafuma/xanes/calib.py
index e16f5a3..a5e4455 100644
--- a/nafuma/xanes/calib.py
+++ b/nafuma/xanes/calib.py
@@ -375,7 +375,7 @@ def post_edge_fit(data: dict, options={}):
         aux.write_log(message='Post edge fitting done!', options=options)
 
     if options['post_edge_store_data']:
-        data['post_edge_fit_data'] = post_edge_fit_data
+        data['post_edge_fit_data'] = post_edge_fit_data.dropna(axis=0)
 
 
     return post_edge_fit_data
@@ -875,7 +875,6 @@ def normalise(data: dict, options={}):
 
     #Finding the normalisation constant µ_0(E_0), by subtracting the value of the pre-edge-line from the value of the post-edge line at e0
     for filename in data['path']:
-        print(filename)
         e0_ind = data['post_edge_fit_data'].loc[data['post_edge_fit_data']['ZapEnergy'] == find_nearest(data['post_edge_fit_data']['ZapEnergy'], data['e0_diff'][filename])].index.values[0]
         #norm = data['post_edge_fit_data'][filename].iloc[find_nearest(data['post_edge_fit_data'][filename], data['e0'][filename])]
         normalisation_constant = data['post_edge_fit_data'][filename].iloc[e0_ind] - data['pre_edge_fit_data'][filename].iloc[e0_ind]
diff --git a/nafuma/xanes/io.py b/nafuma/xanes/io.py
index 7a554db..217a529 100644
--- a/nafuma/xanes/io.py
+++ b/nafuma/xanes/io.py
@@ -225,9 +225,6 @@ def determine_active_roi(scan_data):
     #     active_roi = 'xmap_roi01'
 
 
-    # FIXME This is broken now - 
-
-
     if not ('xmap_roi00' in scan_data.columns) or not ('xmap_roi01' in scan_data.columns):
         if 'xmap_roi00' in scan_data.columns:
             active_roi = 'xmap_roi00'
@@ -235,7 +232,7 @@ def determine_active_roi(scan_data):
             active_roi = 'xmap_roi01'
     
     elif (scan_data['xmap_roi00'].iloc[0:100].mean() < scan_data['xmap_roi00'].iloc[-100:].mean()) and (scan_data['xmap_roi01'].iloc[0:100].mean() < scan_data['xmap_roi01'].iloc[-100:].mean()):
-        if ((scan_data['xmap_roi00'].max()-scan_data['xmap_roi00'].min())) > ((scan_data['xmap_roi01'].max() - scan_data['xmap_roi01'].min())):
+        if (scan_data['xmap_roi00'].iloc[:int(scan_data.shape[0]/2)].max() - scan_data['xmap_roi00'].iloc[0])/scan_data['xmap_roi00'].max() > (scan_data['xmap_roi01'].iloc[:int(scan_data.shape[0]/2)].max() - scan_data['xmap_roi01'].iloc[0])/scan_data['xmap_roi01'].max():
             active_roi = 'xmap_roi00'
         else:
             active_roi = 'xmap_roi01'