diff --git a/.github/workflows/macos-nightly.yml b/.github/workflows/macos-nightly.yml
index dd813d5..81ee003 100644
--- a/.github/workflows/macos-nightly.yml
+++ b/.github/workflows/macos-nightly.yml
@@ -37,7 +37,8 @@ jobs:
           security create-keychain -p "" build.keychain
           security default-keychain -s build.keychain
           security unlock-keychain -p "" build.keychain
-          security import <(echo "$MACOS_CERTIFICATE" | base64 --decode) -k build.keychain -P "$MACOS_CERTIFICATE_PASSWORD" -T /usr/bin/codesign
+          echo "$MACOS_CERTIFICATE" | base64 --decode > /tmp/certificate.p12
+          security import /tmp/certificate.p12 -k build.keychain -P "$MACOS_CERTIFICATE_PASSWORD" -T /usr/bin/codesign
           security set-key-partition-list -S apple-tool:,apple: -s -k "" build.keychain
         env:
           MACOS_CERTIFICATE: ${{ secrets.MACOS_CERTIFICATE }}