diff --git a/amstrax/plugins/peaks/peak_basics.py b/amstrax/plugins/peaks/peak_basics.py
index 392ce734..f7755296 100644
--- a/amstrax/plugins/peaks/peak_basics.py
+++ b/amstrax/plugins/peaks/peak_basics.py
@@ -185,15 +185,15 @@ def compute(self, peaks):
         center_position = (r['center_time'] - p['time']) / (p['dt'] * p['length'])
         
         is_s1 = p['area'] >= self.config['s1_min_area']
-        is_s1 &= range_50p_area > self.config['s1_min_width']
-        is_s1 &= range_50p_area < self.config['s1_max_width']
+        is_s1 &= r['range_50p_area'] > self.config['s1_min_width']
+        is_s1 &= r['range_50p_area'] < self.config['s1_max_width']
         is_s1 &= center_position > self.config['s1_min_center_position']
         is_s1 &= center_position < self.config['s1_max_center_position']
         is_s1 &= r['area_fraction_top'] <= self.config['s1_max_area_fraction_top']
         is_s1 &= r['n_channels'] >= self.config['s1_min_channels']
         
         is_s2 = p['area'] > self.config['s2_min_area']
-        is_s2 &= range_50p_area > self.config['s2_min_width']
+        is_s2 &= r['range_50p_area'] > self.config['s2_min_width']
         is_s2 &= r['area_fraction_top'] >= self.config['s2_min_area_fraction_top']
         is_s2 &= r['n_channels'] >= self.config['s2_min_channels']
         
diff --git a/amstrax/plugins/peaks/peak_positions.py b/amstrax/plugins/peaks/peak_positions.py
index c9ba1c98..eb17cb9b 100644
--- a/amstrax/plugins/peaks/peak_positions.py
+++ b/amstrax/plugins/peaks/peak_positions.py
@@ -51,6 +51,6 @@ def compute(self, peaks):
         
         result['x_cgr'] = f_12
         result['y_cgr'] = f_13
-        result['r_cgr'] = np.sqrt(result['x']**2+result['y']**2)
+        result['r_cgr'] = np.sqrt(result['x_cgr']**2+result['y_cgr']**2)
 
         return result