diff --git a/cmds/installd/installd.h b/cmds/installd/installd.h
index 9c30a35..7c52b78 100644
--- a/cmds/installd/installd.h
+++ b/cmds/installd/installd.h
@@ -101,6 +101,7 @@
 extern dir_rec_t android_data_dir;
 extern dir_rec_t android_asec_dir;
 extern dir_rec_t android_media_dir;
+extern dir_rec_t android_mnt_expand_dir;
 extern dir_rec_array_t android_system_dirs;
 
 typedef struct cache_dir_struct {
@@ -230,4 +231,4 @@
 int create_oat_dir(const char* oat_dir, const char *instruction_set);
 int rm_package_dir(const char* apk_path);
 int calculate_oat_file_path(char path[PKG_PATH_MAX], const char *oat_dir, const char *apk_path,
-                            const char *instruction_set);
\ No newline at end of file
+                            const char *instruction_set);