diff --git a/src/cogs.h b/src/cogs.h
index 075c2500..70836997 100644
--- a/src/cogs.h
+++ b/src/cogs.h
@@ -385,6 +385,10 @@ MDBX_CONST_FUNCTION static inline int ignore_enosys(int err) {
 MDBX_MAYBE_UNUSED MDBX_CONST_FUNCTION static inline int ignore_enosys_and_eagain(int err) {
   return (err == EAGAIN) ? MDBX_RESULT_TRUE : ignore_enosys(err);
 }
+
+MDBX_MAYBE_UNUSED MDBX_CONST_FUNCTION static inline int ignore_enosys_and_einval(int err) {
+  return (err == EINVAL) ? MDBX_RESULT_TRUE : ignore_enosys(err);
+}
 #endif /* defined(_WIN32) || defined(_WIN64) */
 
 static inline int check_env(const MDBX_env *env, const bool wanna_active) {
diff --git a/src/lck-posix.c b/src/lck-posix.c
index 6a0bfe55..fe30ba35 100644
--- a/src/lck-posix.c
+++ b/src/lck-posix.c
@@ -128,7 +128,8 @@ static int lck_op(const mdbx_filehandle_t fd, int cmd, const int lck, const off_
     }
     rc = errno;
 #if MDBX_USE_OFDLOCKS
-    if (rc == EINVAL && (cmd == MDBX_F_OFD_SETLK || cmd == MDBX_F_OFD_SETLKW || cmd == MDBX_F_OFD_GETLK)) {
+    if (ignore_enosys_and_einval(rc) == MDBX_RESULT_TRUE &&
+        (cmd == MDBX_F_OFD_SETLK || cmd == MDBX_F_OFD_SETLKW || cmd == MDBX_F_OFD_GETLK)) {
       /* fallback to non-OFD locks */
       if (cmd == MDBX_F_OFD_SETLK)
         cmd = MDBX_F_SETLK;