diff --git a/ci_build_global.sh b/ci_build_global.sh
index bde37da..fed4b39 100755
--- a/ci_build_global.sh
+++ b/ci_build_global.sh
@@ -11,6 +11,9 @@ if [ "$BUILD_IOS" != "1" ]; then
   ./extractndk.sh
   ./maketoolchain.sh
 else
+  # OpenJDK 8 iOS port is still in unusable state, so we need build in debug mode
+  export JDK_DEBUG_LEVEL=slowdebug
+
   chmod +x ios-arm64-clang
   chmod +x ios-arm64-clang++
   chmod +x macos-host-cc