diff --git a/src/elements/core.c b/src/elements/core.c
index ba9f38eb..fd252e8f 100644
--- a/src/elements/core.c
+++ b/src/elements/core.c
@@ -8997,21 +8997,21 @@ int __cold mdbx_env_open(MDBX_env *env, const char *pathname, unsigned flags,
         ~(MDBX_WRITEMAP | MDBX_MAPASYNC | MDBX_SAFE_NOSYNC | MDBX_NOMETASYNC |
           MDBX_COALESCE | MDBX_LIFORECLAIM | MDBX_NOMEMINIT | MDBX_ACCEDE);
   } else {
-#ifdef __OpenBSD__
-    /* Temporary `workaround` for OpenBSD kernel's bug.
+#if MDBX_MMAP_INCOHERENT_FILE_WRITE
+    /* Temporary `workaround` for OpenBSD kernel's flaw.
      * See https://github.com/leo-yuriev/libmdbx/issues/67 */
     if ((flags & MDBX_WRITEMAP) == 0) {
       if (flags & MDBX_ACCEDE)
         flags |= MDBX_WRITEMAP;
       else {
         mdbx_debug_log(MDBX_LOG_ERROR, __func__, __LINE__,
-                       "OpenBSD requires MDBX_WRITEMAP because of an internal "
-                       "bug(s) in a file/buffer/page cache.\n");
+                       "System (i.e. OpenBSD) requires MDBX_WRITEMAP because "
+                       "of an internal flaw(s) in a file/buffer/page cache.\n");
         rc = 42 /* ENOPROTOOPT */;
         goto bailout;
       }
     }
-#endif /* __OpenBSD__ */
+#endif /* MDBX_MMAP_INCOHERENT_FILE_WRITE */
     env->me_dirtylist = mdbx_calloc(MDBX_DPL_TXNFULL + 1, sizeof(MDBX_DP));
     if (!env->me_dirtylist)
       rc = MDBX_ENOMEM;