diff --git a/src/system/helpers.cpp b/src/system/helpers.cpp
index 23708b752..700f374b8 100644
--- a/src/system/helpers.cpp
+++ b/src/system/helpers.cpp
@@ -193,7 +193,7 @@ int check_dir(const char * dir)
 	return ret;
 }
 
-bool get_fs_usage(const char * dir, long &btotal, long &bused)
+bool get_fs_usage(const char * dir, long &btotal, long &bused, long *bsize/*=NULL*/)
 {
 	btotal = bused = 0;
 	struct statfs s;
@@ -201,6 +201,8 @@ bool get_fs_usage(const char * dir, long &btotal, long &bused)
 	if (::statfs(dir, &s) == 0 && s.f_blocks) {
 		btotal = s.f_blocks;
 		bused = s.f_blocks - s.f_bfree;
+		if (bsize != NULL)
+			*bsize = s.f_bsize;
 		//printf("fs (%s): total %ld used %ld\n", dir, btotal, bused);
 		return true;
 	}
diff --git a/src/system/helpers.h b/src/system/helpers.h
index 2d9731494..59d04a8bb 100644
--- a/src/system/helpers.h
+++ b/src/system/helpers.h
@@ -31,7 +31,7 @@ int safe_mkdir(char * path);
 bool file_exists(const char *filename);
 void wakeup_hdd(const char *hdd_dir);
 int check_dir(const char * dir);
-bool get_fs_usage(const char * dir, long &total, long &used);
+bool get_fs_usage(const char * dir, long &total, long &used, long *bsize=NULL);
 bool get_mem_usage(unsigned long &total, unsigned long &free);
 
 std::string trim(std::string &str, const std::string &trimChars = " \n\r\t");