diff --git a/appveyor.yml b/appveyor.yml
index e0baced33..3689edf40 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,7 +8,6 @@ install:
   - ps: wget https://storage.googleapis.com/dart-archive/channels/dev/release/latest/sdk/dartsdk-windows-x64-release.zip -OutFile dart-sdk.zip
   - cmd: echo "Unzipping dart-sdk..."
   - cmd: 7z x dart-sdk.zip -o"C:\tools" -y > nul
-  - set PATH=%PATH%;C:\tools\dart-sdk\bin
   - set PATH=%PATH%;%APPDATA%\Pub\Cache\bin
   - cd webdev
   - pub get && exit 0
diff --git a/webdev/lib/src/pubspec.dart b/webdev/lib/src/pubspec.dart
index ad83ae820..8055731e2 100644
--- a/webdev/lib/src/pubspec.dart
+++ b/webdev/lib/src/pubspec.dart
@@ -38,7 +38,7 @@ class PackageExceptionDetails {
 }
 
 Future _runPubDeps() async {
-  var result = Process.runSync('pub', ['deps'], runInShell: true);
+  var result = Process.runSync(pubPath, ['deps']);
 
   if (result.exitCode == 65 || result.exitCode == 66) {
     throw new PackageException._(
diff --git a/webdev/lib/src/util.dart b/webdev/lib/src/util.dart
index 2b5543b35..f0d13f0e1 100644
--- a/webdev/lib/src/util.dart
+++ b/webdev/lib/src/util.dart
@@ -22,6 +22,7 @@ final String _sdkDir = (() {
   return aboveExecutable;
 })();
 
-final String dartPath = p.join(_sdkDir, 'bin', 'dart');
+final String dartPath =
+    p.join(_sdkDir, 'bin', Platform.isWindows ? 'dart.exe' : 'dart');
 final String pubPath =
     p.join(_sdkDir, 'bin', Platform.isWindows ? 'pub.bat' : 'pub');
diff --git a/webdev/test/integration_test.dart b/webdev/test/integration_test.dart
index 4760c296d..aeafed822 100644
--- a/webdev/test/integration_test.dart
+++ b/webdev/test/integration_test.dart
@@ -208,9 +208,7 @@ dependencies:
   test('should succeed with valid configuration', () async {
     var exampleDirectory = p.absolute(p.join(p.current, '..', 'example'));
     var process = await TestProcess.start(pubPath, ['get'],
-        workingDirectory: exampleDirectory,
-        environment: _getPubEnvironment(),
-        runInShell: true);
+        workingDirectory: exampleDirectory, environment: _getPubEnvironment());
 
     await process.shouldExit(0);