diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index e92434d..bbcdd55 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -64,7 +64,7 @@ jobs:
           if (($releaseVersion -match $versionRegex)) {
             Write-Host "::notice::The 'release-version' workflow input is valid.";
           } else {
-            $versionSyntax = $releaseType == "production" ? "v#.#.#" : "v#.#.#-preview.#";
+            $versionSyntax = $releaseType -eq "production" ? "v#.#.#" : "v#.#.#-preview.#";
             Write-Host "::error::The 'release-version' workflow input is not valid.  Expected format: '$versionSyntax";
             exit 1;
           }