diff --git a/libtorrent/src/torrent.cpp b/libtorrent/src/torrent.cpp
index de4c9bcf7..42c9e4f35 100755
--- a/libtorrent/src/torrent.cpp
+++ b/libtorrent/src/torrent.cpp
@@ -3618,7 +3618,7 @@ namespace libtorrent
 		}
 		else
 		{
-			TORRENT_ASSERT(m_abort || m_picker->num_pieces() == 0);
+			TORRENT_ASSERT(m_abort || !m_picker || m_picker->num_pieces() == 0);
 		}
 
 #ifdef TORRENT_EXPENSIVE_INVARIANT_CHECKS