diff --git a/README.MD b/README.MD
index 425607e99..31802191e 100644
--- a/README.MD
+++ b/README.MD
@@ -56,7 +56,7 @@ For Magisk Manager crashes, record and upload the logcat when the crash occurs.
 	- macOS: `export JAVA_HOME="/Applications/Android Studio.app/Contents/jre/jdk/Contents/Home"`
 	- Linux: `export PATH="/path/to/androidstudio/jre/bin:$PATH"`
 	- Windows: Add `C:\Path\To\Android Studio\jre\bin` to environment variable `PATH`
-- Set environment variable `ANDROID_HOME` to the Android SDK folder (can be found in Android Studio settings)
+- Set environment variable `ANDROID_SDK_ROOT` to the Android SDK folder (can be found in Android Studio settings)
 - Run `./build.py ndk` to let the script download and install NDK for you
 - Set configurations in `config.prop`. A sample `config.prop.sample` is provided.
 - To start building, run `build.py` to see your options. \
diff --git a/build.gradle.kts b/build.gradle.kts
index 03ed4b8e2..690dd525f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -64,7 +64,7 @@ subprojects {
             android.apply {
                 compileSdkVersion(30)
                 buildToolsVersion = "30.0.2"
-                ndkPath = "${System.getenv("ANDROID_HOME")}/ndk/magisk"
+                ndkPath = "${System.getenv("ANDROID_SDK_ROOT")}/ndk/magisk"
 
                 defaultConfig {
                     if (minSdkVersion == null)
diff --git a/build.py b/build.py
index 733b13abc..259635ed2 100755
--- a/build.py
+++ b/build.py
@@ -27,8 +27,8 @@ def vprint(str):
 if not sys.version_info >= (3, 6):
     error('Requires Python 3.6+')
 
-if 'ANDROID_HOME' not in os.environ:
-    error('Please add Android SDK path to ANDROID_HOME environment variable!')
+if 'ANDROID_SDK_ROOT' not in os.environ:
+    error('Please add Android SDK path to ANDROID_SDK_ROOT environment variable!')
 
 try:
     subprocess.run(['javac', '-version'],
@@ -58,7 +58,7 @@ default_targets = ['magisk', 'magiskinit', 'magiskboot', 'busybox']
 ndk_ver = '21d'
 ndk_ver_full = '21.3.6528147'
 
-ndk_root = op.join(os.environ['ANDROID_HOME'], 'ndk')
+ndk_root = op.join(os.environ['ANDROID_SDK_ROOT'], 'ndk')
 ndk_path = op.join(ndk_root, 'magisk')
 ndk_build = op.join(ndk_path, 'ndk-build')
 gradlew = op.join('.', 'gradlew' + ('.bat' if is_windows else ''))