diff --git a/app-proto/src/assembly.rs b/app-proto/src/assembly.rs
index d571d0e..5ba75ff 100644
--- a/app-proto/src/assembly.rs
+++ b/app-proto/src/assembly.rs
@@ -312,13 +312,14 @@ impl Element for Point {
             point(0.0, 0.0, 0.0),
         )
     }
-
+    
     fn default_regulators(self: Rc<Self>) -> Vec<Rc<dyn Regulator>> {
         all::<Axis>()
-            .map(|axis| {
-                Rc::new(PointCoordinateRegulator::new(self.clone(), axis))
-                    as Rc::<dyn Regulator>
-            })
+            .map(
+                |axis| Rc::new(
+                    PointCoordinateRegulator::new(self.clone(), axis)
+                ) as Rc::<dyn Regulator>
+            )
             .collect()
     }
     
@@ -543,19 +544,32 @@ impl PointCoordinateRegulator {
         let measurement = subject.representation().map(
             move |rep| rep[axis as usize]
         );
+        
         let set_point = create_signal(SpecifiedValue::from_empty_spec());
-        Self { subject, axis, measurement, set_point, serial: Self::next_serial() }
+        let serial = Self::next_serial();
+        
+        Self { subject, axis, measurement, set_point, serial }
     }
 }
 
 impl Serial for PointCoordinateRegulator {
-    fn serial(&self) -> u64 { self.serial }
+    fn serial(&self) -> u64 {
+        self.serial
+    }
 }
 
 impl Regulator for PointCoordinateRegulator {
-    fn subjects(&self) -> Vec<Rc<dyn Element>> { vec![self.subject.clone()] }
-    fn measurement(&self) -> ReadSignal<f64> { self.measurement }
-    fn set_point(&self) -> Signal<SpecifiedValue> { self.set_point }
+    fn subjects(&self) -> Vec<Rc<dyn Element>> {
+        vec![self.subject.clone()]
+    }
+    
+    fn measurement(&self) -> ReadSignal<f64> {
+        self.measurement
+    }
+    
+    fn set_point(&self) -> Signal<SpecifiedValue> {
+        self.set_point
+    }
 }
 
 impl ProblemPoser for PointCoordinateRegulator {
@@ -576,10 +590,10 @@ impl ProblemPoser for PointCoordinateRegulator {
                         coords[index.0] = value
                     }
                 }
-                if nset == Axis::CARDINALITY {
-                    let [x, y, z] = coords;
-                    problem.frozen.push(
-                        Point::NORM_COMPONENT, col, point(x,y,z)[Point::NORM_COMPONENT]);
+                if n_set == Axis::CARDINALITY {
+                    let [x, y, z] = coords_frozen;
+                    let norm = point(x, y, z)[Point::NORM_COMPONENT];
+                    problem.frozen.push(Point::NORM_COMPONENT, col, norm);
                 }
             }
         });