diff --git a/nc_perf/tst_attsperf.c b/nc_perf/tst_attsperf.c
index 98f233f72f..26a2b48440 100644
--- a/nc_perf/tst_attsperf.c
+++ b/nc_perf/tst_attsperf.c
@@ -137,7 +137,7 @@ readfile_hdf5(char *file_name, long long *delta, int do_inq, int num_vars)
 
    /* Open and close the root group. */
    if ((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
-   if (H5Pset_fclose_degree(fapl_id, H5F_CLOSE_SEMI)) ERR;
+   if (H5Pset_fclose_degree(fapl_id, H5F_CLOSE_WEAK)) ERR;
    if ((hdfid = H5Fopen(file_name, H5F_ACC_RDONLY, fapl_id)) < 0) ERR;
    if ((hdf_grpid = H5Gopen2(hdfid, "/", H5P_DEFAULT)) < 0) ERR;
 
diff --git a/nc_test4/tst_h_vl2.c b/nc_test4/tst_h_vl2.c
index 8f44e9a0f5..1f2b5cd3ef 100644
--- a/nc_test4/tst_h_vl2.c
+++ b/nc_test4/tst_h_vl2.c
@@ -36,7 +36,7 @@ main()
 
       /* Open the file and read the vlen data. */
       if ((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
-      if (H5Pset_fclose_degree(fapl_id, H5F_CLOSE_SEMI)) ERR;
+      if (H5Pset_fclose_degree(fapl_id, H5F_CLOSE_WEAK)) ERR;
       if (H5Pset_libver_bounds(fapl_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) ERR;
 
       if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDONLY, fapl_id)) < 0) ERR;
diff --git a/nc_test4/tst_interops.c b/nc_test4/tst_interops.c
index 64a0319472..74353d34be 100644
--- a/nc_test4/tst_interops.c
+++ b/nc_test4/tst_interops.c
@@ -390,7 +390,7 @@ main(int argc, char **argv)
       /* Open the file with HDF5 while netcdf still has it open. */
       if ((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
       /* Turn this off for*/
-      if (H5Pset_fclose_degree(fapl_id, H5F_CLOSE_SEMI)) ERR;
+      if (H5Pset_fclose_degree(fapl_id, H5F_CLOSE_WEAK)) ERR;
       if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDONLY, fapl_id)) < 0) ERR;
       if (H5Pclose(fapl_id) < 0) ERR;
       if (H5Fclose(fileid) < 0) ERR;
diff --git a/nc_test4/tst_interops5.c b/nc_test4/tst_interops5.c
index cb4dd0e623..bb22fd0a27 100644
--- a/nc_test4/tst_interops5.c
+++ b/nc_test4/tst_interops5.c
@@ -50,10 +50,10 @@ main(int argc, char **argv)
       yscaleDims[0] = ncolCur;
       if ((xdimSpaceId = H5Screate_simple(1, xscaleDims, NULL)) < 0) ERR;
 
-      /* With the SEMI close degree, the HDF5 file close will fail if
+      /* With the WEAK close degree, the HDF5 file close will not fail if
        * anything is left open. */
       if ((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
-      if (H5Pset_fclose_degree(fapl, H5F_CLOSE_SEMI)) ERR;
+      if (H5Pset_fclose_degree(fapl, H5F_CLOSE_WEAK)) ERR;
 
       /* Create file */
       if((fileId = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC,