diff --git a/src/LedgerMaster.h b/src/LedgerMaster.h
index a420b05519..d057277921 100644
--- a/src/LedgerMaster.h
+++ b/src/LedgerMaster.h
@@ -56,7 +56,7 @@ public:
 
 	void switchLedgers(Ledger::pointer lastClosed, Ledger::pointer newCurrent);
 
-	Ledger::pointer closeTime();
+	void closeTime();
 	void beginWobble();
 	Ledger::pointer endWobble();