1 files changed, 2 insertions, 1 deletions
diff --git a/c++/test/dsets.cpp b/c++/test/dsets.cpp
index 6e170bf..432abb8 100644
--- a/c++/test/dsets.cpp
+++ b/c++/test/dsets.cpp
@@ -228,7 +228,8 @@ test_simple_io(H5File &file)
         // Check that the values read are the same as the values written
         for (i = 0; i < 100; i++)
             for (j = 0; j < 200; j++) {
-                int status = check_values(i, j, points[i][j], check[i][j]);
+                int status =
+                    check_values(static_cast<hsize_t>(i), static_cast<hsize_t>(j), points[i][j], check[i][j]);
                 if (status == -1)
                     throw Exception("DataSet::read");
             }