1 files changed, 1 insertions, 1 deletions
diff --git a/test/accum.c b/test/accum.c
index c3346bc..08f86ca 100644
--- a/test/accum.c
+++ b/test/accum.c
@@ -2121,7 +2121,7 @@ test_swmr_write_big(hbool_t newest_format)
     /* Skip this test if SWMR I/O is not supported for the VFD specified
      * by the environment variable.
      */
-    driver = HDgetenv("HDF5_DRIVER");
+    driver = HDgetenv(HDF5_DRIVER);
     if (!H5FD__supports_swmr_test(driver)) {
         SKIPPED();
         HDputs("    Test skipped due to VFD not supporting SWMR I/O.");