diff --git a/adb/shell_service.cpp b/adb/shell_service.cpp
index 0c7e1f9..f9f80c0 100644
--- a/adb/shell_service.cpp
+++ b/adb/shell_service.cpp
@@ -262,6 +262,7 @@
         env["HOSTNAME"] = GetHostName();
         env["LOGNAME"] = pw->pw_name;
         env["SHELL"] = pw->pw_shell;
+        env["TMPDIR"] = "/data/local/tmp";
         env["USER"] = pw->pw_name;
     }