diff --git a/.github/workflows/flake-build.yaml b/.github/workflows/flake-build.yaml
index 2fc0637..f32616a 100644
--- a/.github/workflows/flake-build.yaml
+++ b/.github/workflows/flake-build.yaml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        target: [ "24.11", unstable" ]
+        target: [ "24.11", "unstable" ]
 
     steps:
       - uses: actions/checkout@v4