diff --git a/app-proto/src/add_remove.rs b/app-proto/src/add_remove.rs
index 5fed411..cdc35e6 100644
--- a/app-proto/src/add_remove.rs
+++ b/app-proto/src/add_remove.rs
@@ -4,7 +4,10 @@ use web_sys::{console, wasm_bindgen::JsValue};
 use crate::{
     engine,
     AppState,
-    assembly::{Assembly, Element}
+    assembly::{
+        Assembly,
+        Element
+    }
 };
 
 /* DEBUG */
diff --git a/app-proto/src/outline.rs b/app-proto/src/outline.rs
index 002baea..8e40140 100644
--- a/app-proto/src/outline.rs
+++ b/app-proto/src/outline.rs
@@ -9,7 +9,11 @@ use web_sys::{
 use crate::{
     AppState,
     assembly,
-    assembly::{ElementKey, Regulator, RegulatorKey},
+    assembly::{
+        ElementKey,
+        Regulator,
+        RegulatorKey
+    },
     specified::SpecifiedValue
 };
 
diff --git a/app-proto/src/specified.rs b/app-proto/src/specified.rs
index cfe7fc3..0422291 100644
--- a/app-proto/src/specified.rs
+++ b/app-proto/src/specified.rs
@@ -34,7 +34,7 @@ impl TryFrom<String> for SpecifiedValue {
     
     fn try_from(spec: String) -> Result<Self, Self::Error> {
         if spec.is_empty() {
-            Ok(SpecifiedValue::from_empty_spec())
+            Ok(SpecifiedValue { spec: spec, value: None })
         } else {
             spec.parse::<f64>().map(
                 |value| SpecifiedValue { spec: spec, value: Some(value) }