diff --git a/.github/workflows/ant.yml b/.github/workflows/ant.yml
index 762c8708..1f325cc5 100644
--- a/.github/workflows/ant.yml
+++ b/.github/workflows/ant.yml
@@ -354,7 +354,7 @@ jobs:
           CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
           KEYCHAIN_PATH=$RUNNER_TEMP/app-signing.keychain-db
           # import certificate from secrets
-          base64 -i "${{ env.BUILD_CERTIFICATE_BASE64 }}" --decode -o $CERTIFICATE_PATH
+          echo -n "${{ env.BUILD_CERTIFICATE_BASE64 }}" | base64 --decode -o $CERTIFICATE_PATH
           ls -la $RUNNER_TEMP
           security -v verify-cert -c $CERTIFICATE_PATH
           # create temporary keychain