diff --git a/test/h5test.c b/test/h5test.c
index 862b9a327cd..4496e25a3c0 100644
--- a/test/h5test.c
+++ b/test/h5test.c
@@ -480,8 +480,14 @@ h5_fixname_real(const char *base_name, hid_t fapl, const char *_suffix, char *fu
             if (H5FD_FAMILY == driver) {
                 if (subst_for_superblock)
                     suffix = "-000000.h5";
-                else
-                    suffix = nest_printf ? "-%%06d.h5" : "-%06d.h5";
+                else {
+                  if (nest_printf) {
+                    suffix = "-%%06d.h5"; 
+                  }
+                  else {
+                    suffix = "-%06d.h5";
+                  }
+                }
             }
             else if (H5FD_MULTI == driver) {