diff --git a/android/ab.cmd b/android/ab.cmd
index deeceba0e2..1354c35a67 100644
--- a/android/ab.cmd
+++ b/android/ab.cmd
@@ -1,9 +1,9 @@
-xcopy ..\flash0 assets\flash0 /s /y <d.txt
-xcopy ..\assets\lang assets\lang /s /y <d.txt
-xcopy ..\assets\shaders assets\shaders /s /y <d.txt
+xcopy ..\assets\flash0 assets\flash0\ /s /y <d.txt
+xcopy ..\assets\lang assets\lang\ /s /y <d.txt
+xcopy ..\assets\shaders assets\shaders\ /s /y <d.txt
 copy ..\assets\langregion.ini assets\langregion.ini
 copy ..\assets\compat.ini assets\compat.ini
-copy ..\assets\*.png assets
+copy ..\assets\*.png assets\
 SET NDK=C:\AndroidNDK
 SET NDK_MODULE_PATH=..\ext;..\ext\native\ext
 %NDK%/ndk-build -j9 %*