1diff --git a/packages/flutter_tools/lib/src/base/platform.dart b/packages/flutter_tools/lib/src/base/platform.dart
2index 45da89ad4c..2d79dbaece 100644
3--- a/packages/flutter_tools/lib/src/base/platform.dart
4+++ b/packages/flutter_tools/lib/src/base/platform.dart
5@@ -132,7 +132,7 @@ class LocalPlatform extends Platform {
6 String get pathSeparator => io.Platform.pathSeparator;
7
8 @override
9- String get operatingSystem => io.Platform.operatingSystem;
10+ String get operatingSystem => io.Platform.environment['NIX_FLUTTER_OPERATING_SYSTEM'] ?? io.Platform.operatingSystem;
11
12 @override
13 String get operatingSystemVersion => io.Platform.operatingSystemVersion;