diff --git a/.github/workflows/deploy-to-iis.yml b/.github/workflows/deploy-to-iis.yml
index 406e7df3..9cf9c24d 100644
--- a/.github/workflows/deploy-to-iis.yml
+++ b/.github/workflows/deploy-to-iis.yml
@@ -99,7 +99,7 @@ jobs:
     # Decode the base 64 encoded pfx and save the Signing_Certificate
     - name: Decode the pfx
       run: |
-        if (!(${{ $env:PfxBase64 }})) {
+        if (!($env:PfxBase64)) {
           echo "Skipping cert signing because Base64_Encoded_Pfx secret is missing.
           return
         }