1 files changed, 4 insertions, 3 deletions
diff --git a/DiskIOMeter.h b/DiskIOMeter.h
index b2b3e8d..68ea638 100644
--- a/DiskIOMeter.h
+++ b/DiskIOMeter.h
@@ -9,10 +9,11 @@ in the source distribution for its full text.
 
 #include "Meter.h"
 
+
 typedef struct DiskIOData_ {
-   unsigned long int totalBytesRead;
-   unsigned long int totalBytesWritten;
-   unsigned long int totalMsTimeSpend;
+   uint64_t totalBytesRead;
+   uint64_t totalBytesWritten;
+   uint64_t totalMsTimeSpend;
 } DiskIOData;
 
 extern const MeterClass DiskIOMeter_class;