diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index e004042ff9e..f8960d48a8e 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -59,7 +59,7 @@ jobs:
       id: strings
       shell: bash
       run: |
-        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
 
     - name: Install Ubuntu build dependencies
       if: matrix.os == 'ubuntu-latest'