diff --git a/.github/workflows/validate-formatting.yaml b/.github/workflows/validate-formatting.yaml
index eac0936f..760ab277 100644
--- a/.github/workflows/validate-formatting.yaml
+++ b/.github/workflows/validate-formatting.yaml
@@ -64,7 +64,7 @@ jobs:
           script: |
             const result = "${{ job.status }}" === "success" ? "success" : "failure";
             const diff = Buffer.from(
-              "${{ steps.shfmt.outputs.diff }}",
+              ${{ steps.shfmt.outputs.diff }},
               "base64",
             ).toString();
             const issueNumber = context.payload.pull_request
@@ -75,7 +75,7 @@ jobs:
 
             if (result === "failure") {
               newCommentBody +=
-                ":x: We found issues in the formatting of the following changed files:\n\n\`\`\`diff\n${diff}\n\`\`\`\n";
+                `:x: We found issues in the formatting of the following changed files:\n\n\`\`\`diff\n${diff}\n\`\`\`\n`;
             } else {
               newCommentBody += `:rocket: All changed shell scripts are formatted correctly!\n`;
             }