diff --git a/firmware/target/hosted/android/dir-target.h b/firmware/target/hosted/android/dir-target.h
index 4516215d62..44ea23d4ad 100644
--- a/firmware/target/hosted/android/dir-target.h
+++ b/firmware/target/hosted/android/dir-target.h
@@ -33,5 +33,6 @@ extern DIR* _opendir(const char* name);
 extern int  _mkdir(const char* name);
 extern int  _closedir(DIR* dir);
 extern struct dirent *_readdir(DIR* dir);
+extern void fat_size(unsigned long *size, unsigned long *free);
 
 #endif /* __DIR_TARGET_H__ */
diff --git a/firmware/target/hosted/android/system-android.c b/firmware/target/hosted/android/system-android.c
index 87b6584135..7d1fe9d458 100644
--- a/firmware/target/hosted/android/system-android.c
+++ b/firmware/target/hosted/android/system-android.c
@@ -39,6 +39,7 @@ uintptr_t *stackbegin;
 uintptr_t *stackend;
 
 extern int main(void);
+extern void powermgmt_init_target(void);
 /* this is the entry point of the android app initially called by jni */
 JNIEXPORT void JNICALL
 Java_org_rockbox_RockboxService_main(JNIEnv *env, jobject this)
@@ -56,7 +57,8 @@ Java_org_rockbox_RockboxService_main(JNIEnv *env, jobject this)
     RockboxService_instance = this;
     RockboxService_class = (*env)->GetObjectClass(env, this);
 
-
+    /* no better place yet, most of powermgmt.c is #ifdef'd out for non-native
+     * builds */
     powermgmt_init_target();
     main();
 }