diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index c9ef7358..ef0b35fd 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -61,7 +61,7 @@ jobs:
     - uses: stellar/actions/rust-cache@main
     - name: Get minimum supported Rust version
       id: msrv
-      run: echo msrv=$(cargo metadata --format-version 1 | jq -r '.packages.[] | select(.name == "stellar-xdr") | .rust_version') >> $GITHUB_OUTPUT
+      run: echo msrv="$(cargo metadata --format-version 1 | jq -r '.packages.[] | select(.name == "stellar-xdr") | .rust_version')" >> $GITHUB_OUTPUT
     - name: Installing the minimum supported Rust version
       run: rustup default ${{ steps.msrv.outputs.msrv }}
     - run: rustup target add ${{ matrix.sys.target }}