1 files changed, 1 insertions, 1 deletions
diff --git a/src/txmempool.h b/src/txmempool.h
index e9f1f1c8a1..10b21ed1b3 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -30,7 +30,7 @@
 #include <boost/signals2/signal.hpp>
 
 class CBlockIndex;
-extern CCriticalSection cs_main;
+extern RecursiveMutex cs_main;
 
 /** Fake height value used in Coin to signify they are only in the memory pool (since 0.8) */
 static const uint32_t MEMPOOL_HEIGHT = 0x7FFFFFFF;