diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ee1eab07..501ec861 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ on:
 
 env:
    CARGO_TERM_COLOR: always
-   RUSTFLAGS:        -Dwarnings
+   RUSTFLAGS:        "-Dwarnings"
 
 jobs:
    build: