1 files changed, 1 insertions, 1 deletions
diff --git a/src/txmempool.h b/src/txmempool.h
index 9a1aa9bc2b..0a9cd81ff5 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -602,7 +602,7 @@ public:
      * all inputs are in the mapNextTx array). If sanity-checking is turned off,
      * check does nothing.
      */
-    void check(const CCoinsViewCache *pcoins) const;
+    void check(const CCoinsViewCache *pcoins) const EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
 
     // addUnchecked must updated state for all ancestors of a given transaction,
     // to track size/count of descendant transactions.  First version of