diff --git a/native/build-native.sh b/native/build-native.sh
index 9d62bc47..005ae797 100644
--- a/native/build-native.sh
+++ b/native/build-native.sh
@@ -27,7 +27,7 @@ detect_host_tag() {
       HOST_LIB_SUBDIR="lib64"
       ;;
     darwin*)
-      if [[ "$arch" == "arm64" ]]; then
+      if [[ "$arch" == "arm64" || "$arch" == "aarch64" ]]; then
         HOST_TAG="darwin-arm64"
       else
         HOST_TAG="darwin-x86_64"
@@ -47,23 +47,37 @@ detect_host_tag() {
 
 ensure_ndk_for_host() {
   local try_home="$1"
-  local bin_dir="$try_home/toolchains/llvm/prebuilt/$HOST_TAG/bin"
-  local lib_root="$try_home/toolchains/llvm/prebuilt/$HOST_TAG"
-  local lib_dir="$lib_root/$HOST_LIB_SUBDIR"
-  if [ ! -d "$lib_dir" ]; then
-    if [ -d "$lib_root/lib64" ]; then
-      lib_dir="$lib_root/lib64"
-    elif [ -d "$lib_root/lib" ]; then
-      lib_dir="$lib_root/lib"
+  local prebuilt_root="$try_home/toolchains/llvm/prebuilt"
+  local requested_tag="$HOST_TAG"
+  local -a candidate_tags=("$requested_tag")
+  if [[ "$requested_tag" == "darwin-arm64" ]]; then
+    candidate_tags+=("darwin-x86_64")
+  fi
+
+  local candidate_tag
+  for candidate_tag in "${candidate_tags[@]}"; do
+    local bin_dir="$prebuilt_root/$candidate_tag/bin"
+    local lib_root="$prebuilt_root/$candidate_tag"
+    local lib_dir="$lib_root/$HOST_LIB_SUBDIR"
+    if [ ! -d "$lib_dir" ]; then
+      if [ -d "$lib_root/lib64" ]; then
+        lib_dir="$lib_root/lib64"
+      elif [ -d "$lib_root/lib" ]; then
+        lib_dir="$lib_root/lib"
+      fi
     fi
-  fi
-  if [ -d "$bin_dir" ] && [ -d "$lib_dir" ]; then
-    ANDROID_NDK_HOME="$try_home"
-    NDK_TOOLCHAIN_DIR="$bin_dir"
-    NDK_LIB_DIR="$lib_dir"
-    echo "$bin_dir"
-    return 0
-  fi
+    if [ -d "$bin_dir" ] && [ -d "$lib_dir" ]; then
+      HOST_TAG="$candidate_tag"
+      ANDROID_NDK_HOME="$try_home"
+      NDK_TOOLCHAIN_DIR="$bin_dir"
+      NDK_LIB_DIR="$lib_dir"
+      if [ "$candidate_tag" != "$requested_tag" ]; then
+        echo "Falling back to NDK host toolchain: $candidate_tag (requested $requested_tag)" >&2
+      fi
+      echo "$bin_dir"
+      return 0
+    fi
+  done
   return 1
 }
 
@@ -311,4 +325,3 @@ esac
 cd "$RUST_DIR"
 rustup run "$TOOLCHAIN" cargo build --release --target "$1"
 
-
diff --git a/native/build.gradle.kts b/native/build.gradle.kts
index e41c4b76..439c5ded 100644
--- a/native/build.gradle.kts
+++ b/native/build.gradle.kts
@@ -49,15 +49,29 @@ require(ndkHome.exists()) { "Configured NDK directory $ndkHome does not exist" }
 
 val osName = System.getProperty("os.name").lowercase(Locale.ROOT)
 val osArch = System.getProperty("os.arch").lowercase(Locale.ROOT)
-val hostTag = when {
+val preferredHostTag = when {
     osName.contains("windows") -> "windows-x86_64"
     osName.contains("mac") && osArch.contains("arm") -> "darwin-arm64"
     osName.contains("mac") -> "darwin-x86_64"
     else -> "linux-x86_64"
 }
 
-val toolchainBin = File(ndkHome, "toolchains/llvm/prebuilt/$hostTag/bin")
-require(toolchainBin.exists()) { "Unable to locate NDK toolchain under $toolchainBin" }
+val prebuiltRoot = File(ndkHome, "toolchains/llvm/prebuilt")
+require(prebuiltRoot.exists()) { "Unable to locate NDK prebuilts under $prebuiltRoot" }
+val hostTagCandidates = mutableListOf(preferredHostTag)
+if (preferredHostTag == "darwin-arm64") {
+    hostTagCandidates.add("darwin-x86_64")
+}
+if (preferredHostTag.startsWith("darwin")) {
+    prebuiltRoot.listFiles()
+        ?.filter { it.isDirectory && it.name.startsWith("darwin-") }
+        ?.forEach { hostTagCandidates.add(it.name) }
+}
+val hostTag = hostTagCandidates
+    .firstOrNull { tag -> File(prebuiltRoot, "$tag/bin").exists() }
+    ?: error("Unable to locate NDK toolchain bin directory for $preferredHostTag under $prebuiltRoot")
+
+val toolchainBin = File(prebuiltRoot, "$hostTag/bin")
 
 val isWindowsHost = hostTag.startsWith("windows")
 val clangSuffix = if (isWindowsHost) ".cmd" else ""