diff --git a/src/rkl.h b/src/rkl.h
index 777a094e..efd6dd95 100644
--- a/src/rkl.h
+++ b/src/rkl.h
@@ -35,7 +35,7 @@ MDBX_MAYBE_UNUSED MDBX_INTERNAL void rkl_init(rkl_t *rkl);
 MDBX_MAYBE_UNUSED MDBX_INTERNAL void rkl_clear(rkl_t *rkl);
 static inline void rkl_clear_and_shrink(rkl_t *rkl) { rkl_clear(rkl); /* TODO */ }
 MDBX_MAYBE_UNUSED MDBX_INTERNAL void rkl_destroy(rkl_t *rkl);
-MDBX_MAYBE_UNUSED MDBX_INTERNAL void rkl_destructive_move(rkl_t *dst, rkl_t *src);
+MDBX_MAYBE_UNUSED MDBX_INTERNAL void rkl_destructive_move(rkl_t *src, rkl_t *dst);
 MDBX_MAYBE_UNUSED MDBX_INTERNAL __must_check_result int rkl_copy(const rkl_t *src, rkl_t *dst);
 MDBX_MAYBE_UNUSED MDBX_NOTHROW_PURE_FUNCTION static inline bool rkl_empty(const rkl_t *rkl) {
   return rkl->solid_begin > rkl->solid_end;