diff --git a/ci/scripts/Publish-NuGetPackages.ps1 b/ci/scripts/Publish-NuGetPackages.ps1
index cb7a21faa3..d635349946 100644
--- a/ci/scripts/Publish-NuGetPackages.ps1
+++ b/ci/scripts/Publish-NuGetPackages.ps1
@@ -114,6 +114,9 @@ function Set-AllPackageSignatures {
             else {
                 throw "$signatureType is not a valid signature type"
             }
+			if ($LastExitCode -ne 0) {
+				throw "Signing failed"
+			}
         }
     }
     finally {