diff --git a/gyp/mbgl-android.gypi b/gyp/mbgl-android.gypi
index ff537792b..21a6771d7 100644
--- a/gyp/mbgl-android.gypi
+++ b/gyp/mbgl-android.gypi
@@ -39,6 +39,7 @@
         '../platform/default/image_reader.cpp',
         '../platform/default/png_reader.cpp',
         '../platform/default/jpeg_reader.cpp',
+        '../platform/default/caching_http_file_source.cpp',
       ],
       'include_dirs': [
         '../include',