diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 711edb1..ed2910d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -77,7 +77,7 @@ jobs:
         curl -LO "https://github.com/cross-rs/cross/releases/download/v0.2.5/cross-x86_64-unknown-linux-musl.tar.gz"
         tar xf cross-x86_64-unknown-linux-musl.tar.gz
         echo "CARGO=cross" >> $GITHUB_ENV
-        echo "RUSTFLAGS='--cfg sd_cross_compile'"
+        echo "RUSTFLAGS='--cfg sd_cross_compile'" >> $GITHUB_ENV
         echo "TARGET_DIR=./target/${{ matrix.target }}" >> $GITHUB_ENV
 
     - name: Test