diff --git a/manager/app/src/main/java/me/weishu/kernelsu/KernelSUApplication.kt b/manager/app/src/main/java/me/weishu/kernelsu/KernelSUApplication.kt
index 0503b42f..3b07b99c 100644
--- a/manager/app/src/main/java/me/weishu/kernelsu/KernelSUApplication.kt
+++ b/manager/app/src/main/java/me/weishu/kernelsu/KernelSUApplication.kt
@@ -1,6 +1,7 @@
 package me.weishu.kernelsu
 
 import android.app.Application
+import android.system.Os
 import coil.Coil
 import coil.ImageLoader
 import me.zhanghai.android.appiconloader.coil.AppIconFetcher
@@ -30,7 +31,10 @@ class KernelSUApplication : Application() {
         if (!webroot.exists()) {
             webroot.mkdir()
         }
+
+        // Provide working env for rust's temp_dir()
+        Os.setenv("TMPDIR", cacheDir.absolutePath, true)
     }
 
 
-}
\ No newline at end of file
+}