diff --git a/packages/flutter_tools/lib/src/application_package.dart b/packages/flutter_tools/lib/src/application_package.dart
index 22665ee24ae..4e724c00d0a 100644
--- a/packages/flutter_tools/lib/src/application_package.dart
+++ b/packages/flutter_tools/lib/src/application_package.dart
@@ -85,7 +85,7 @@ class AndroidApk extends ApplicationPackage {
     String apkPath;
 
     if (isProjectUsingGradle()) {
-      final String apkPath = await getGradleAppOut();
+      apkPath = await getGradleAppOut();
       if (fs.file(apkPath).existsSync()) {
         // Grab information from the .apk. The gradle build script might alter
         // the application Id, so we need to look at what was actually built.