diff --git a/src/Makefile.am b/src/Makefile.am
index 408a6db3d..3d73cf35f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -46,7 +46,7 @@ bin_PROGRAMS = neutrino
 
 neutrino_SOURCES = neutrino_menue.cpp neutrino.cpp
 
-AM_CPPFLAGS =
+AM_CPPFLAGS = -D_FILE_OFFSET_BITS=64
 
 if ENABLE_FLAC
 FLACLIBS = -lFLAC
diff --git a/src/system/helpers.cpp b/src/system/helpers.cpp
index 892ab64bb..9e36c24fc 100644
--- a/src/system/helpers.cpp
+++ b/src/system/helpers.cpp
@@ -241,7 +241,7 @@ int check_dir(const char * dir, bool allow_tmp)
 	return ret;
 }
 
-bool get_fs_usage(const char * dir, long &btotal, long &bused, long *bsize/*=NULL*/)
+bool get_fs_usage(const char * dir, uint64_t &btotal, uint64_t &bused, long *bsize/*=NULL*/)
 {
 	btotal = bused = 0;
 	struct statfs s;
@@ -251,7 +251,7 @@ bool get_fs_usage(const char * dir, long &btotal, long &bused, long *bsize/*=NUL
 		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);
+		//printf("fs (%s): total %llu used %llu\n", dir, btotal, bused);
 		return true;
 	}
 	return false;
diff --git a/src/system/helpers.h b/src/system/helpers.h
index a146e8713..d2b774e1c 100644
--- a/src/system/helpers.h
+++ b/src/system/helpers.h
@@ -22,6 +22,7 @@
 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#include <stdint.h>
 #include <string>
 
 int my_system(const char * cmd);
@@ -33,7 +34,7 @@ off_t file_size(const char *filename);
 bool file_exists(const char *filename);
 void wakeup_hdd(const char *hdd_dir);
 int check_dir(const char * dir, bool allow_tmp = false);
-bool get_fs_usage(const char * dir, long &total, long &used, long *bsize=NULL);
+bool get_fs_usage(const char * dir, uint64_t &btotal, uint64_t &bused, long *bsize=NULL);
 bool get_mem_usage(unsigned long &total, unsigned long &free);
 
 std::string getPathName(std::string &path);