diff --git a/src/bandwidth_manager.cpp b/src/bandwidth_manager.cpp
index 5545d33e5..d9f94ef21 100644
--- a/src/bandwidth_manager.cpp
+++ b/src/bandwidth_manager.cpp
@@ -38,7 +38,7 @@ namespace libtorrent
 
 	bandwidth_manager::bandwidth_manager(int channel
 #ifdef TORRENT_VERBOSE_BANDWIDTH_LIMIT
-		, bool log = false
+		, bool log
 #endif		
 		)
 		: m_queued_bytes(0)