diff --git a/.github/workflows/debug_build.yml b/.github/workflows/debug_build.yml
index ec2b4a4128..bb58d591ff 100644
--- a/.github/workflows/debug_build.yml
+++ b/.github/workflows/debug_build.yml
@@ -11,7 +11,7 @@ jobs:
     - name: Setup java
       uses: actions/setup-java@v1
       with:
-        java-version: 9
+        java-version: 11
     - name: Build
       run: |
         ./gradlew assembleDebug
diff --git a/app/src/main/java/com/termux/app/BackgroundJob.java b/app/src/main/java/com/termux/app/BackgroundJob.java
index 2b1888aa04..e642f75877 100644
--- a/app/src/main/java/com/termux/app/BackgroundJob.java
+++ b/app/src/main/java/com/termux/app/BackgroundJob.java
@@ -138,6 +138,7 @@ static String[] buildEnvironment(boolean failSafe, String cwd) {
 
         List<String> environment = new ArrayList<>();
 
+        environment.add("TERMUX_ANDROID10=1");
         environment.add("TERM=xterm-256color");
         environment.add("HOME=" + TermuxService.HOME_PATH);
         environment.add("PREFIX=" + TermuxService.PREFIX_PATH);