diff --git a/src/hdf5_interface.F90 b/src/hdf5_interface.F90
index fc7a462e6..01e50d983 100644
--- a/src/hdf5_interface.F90
+++ b/src/hdf5_interface.F90
@@ -1898,7 +1898,7 @@ contains
     logical :: mpio
 
     integer :: hdf5_err
-    integer :: driver
+    integer(HID_T) :: driver
     integer(HID_T) :: file_id
     integer(HID_T) :: fapl_id