diff --git a/package.json b/package.json
index d33f11e..c7ffb7a 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "web-vitals": "^2.1.4"
   },
   "scripts": {
-    "start": "export GENERATE_SOURCEMAP=false; cross-env BROWSER=none react-scripts start",
+    "start": "cross-env BROWSER=none react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test",
     "eject": "react-scripts eject",
diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index a8956c6..d1a709d 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -477,9 +477,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5999502d32b9c48d492abe66392408144895020ec4709e549e840799f3bb74c0"
+checksum = "2ccfd8c0ee4cce11e45b3fd6f9d5e69e0cc62912aa6a0cb1bf4617b0eba5a12f"
 dependencies = [
  "generic-array",
  "typenum",
@@ -1151,9 +1151,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.12.1"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db0d4cf898abf0081f964436dc980e96670a0f36863e4b83aaacdb65c9d7ccc3"
+checksum = "607c8a29735385251a339424dd462993c0fed8fa09d378f259377df08c126022"
 
 [[package]]
 name = "heck"
@@ -1802,9 +1802,9 @@ dependencies = [
 
 [[package]]
 name = "openssl"
-version = "0.10.40"
+version = "0.10.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb81a6430ac911acb25fe5ac8f1d2af1b4ea8a4fdfda0f1ee4292af2e2d8eb0e"
+checksum = "618febf65336490dfcf20b73f885f5651a0c89c64c2d4a8c3662585a70bf5bd0"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
@@ -1834,9 +1834,9 @@ checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.74"
+version = "0.9.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "835363342df5fba8354c5b453325b110ffd54044e588c539cf2f20a8014e4cb1"
+checksum = "e5f9bd0c2710541a3cda73d6f9ac4f1b240de4ae261065d309dbe73d9dceb42f"
 dependencies = [
  "autocfg",
  "cc",
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index f7eefba..57d532b 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -42,30 +42,29 @@ fn open_midi_connection(
   let mut midi_in = MidiInput::new("piano-trainer-input").unwrap();
   midi_in.ignore(Ignore::None);
   let midi_in_ports = midi_in.ports();
+  *midi_state.input.lock().unwrap() = None;
 
   if let Some(in_port) = midi_in_ports.get(input_idx) {
     let conn_in = midi_in
-      .connect(
-        in_port,
-        "midir",
-        move |stamp, message, _log| {
-          // The last of the three callback parameters is the object that we pass in as last parameter of `connect`.
+    .connect(
+      in_port,
+      "midir",
+      move |stamp, message, _log| {
+        // The last of the three callback parameters is the object that we pass in as last parameter of `connect`.
 
-          handle
-            .emit_all(
-              "midi_message",
-              MidiMessage {
-                message: message.to_vec(),
-              },
-            )
-            .map_err(|err| println!("{:?}", err))
-            .ok();
+        handle
+          .emit_all(
+            "midi_message",
+            MidiMessage {
+              message: message.to_vec(),
+            },
+          )
+          .map_err(|err| println!("{:?}", err))
+          .ok();
+
+        println!("{}: {:?} (len = {})", stamp, message, message.len());
+      }, ()).unwrap();
 
-          println!("{}: {:?} (len = {})", stamp, message, message.len());
-        },
-        (),
-      )
-      .unwrap();
     *midi_state.input.lock().unwrap() = Some(conn_in);
   }
 }
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index 4ef9dd8..5e6fce7 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -2,13 +2,13 @@
   "$schema": "../node_modules/@tauri-apps/cli/schema.json",
   "build": {
     "beforeBuildCommand": "npm run build",
-    "beforeDevCommand": "pkill MIDIServer; npm run start",
+    "beforeDevCommand": "npm run start",
     "devPath": "http://localhost:3000",
     "distDir": "../build"
   },
   "package": {
     "productName": "Piano Trainer",
-    "version": "1.0.2"
+    "version": "1.0.3"
   },
   "tauri": {
     "allowlist": {
diff --git a/yarn.lock b/yarn.lock
index d79d74c..4eda580 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8884,13 +8884,6 @@ tapable@^2.0.0, tapable@^2.1.1, tapable@^2.2.0:
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-2.2.1.tgz#1967a73ef4060a82f12ab96af86d52fdb76eeca0"
   integrity sha512-GNzQvQTOIP6RyTfE2Qxb8ZVlNmw0n88vp1szwWRimP02mnTsx3Wtn5qRdqY9w2XduFNUgvOwhNnQsjwCp+kqaQ==
 
-"tauri-plugin-store-api@github:tauri-apps/tauri-plugin-store":
-  version "0.1.0"
-  resolved "https://codeload.github.com/tauri-apps/tauri-plugin-store/tar.gz/9e3732e0cf53b72ced6903583660cd7c5f756781"
-  dependencies:
-    "@tauri-apps/api" "1.0.1"
-    tslib "2.4.0"
-
 "tauri-plugin-store-api@https://github.com/tauri-apps/tauri-plugin-store#dev":
   version "0.1.0"
   resolved "https://github.com/tauri-apps/tauri-plugin-store#9e3732e0cf53b72ced6903583660cd7c5f756781"