Synchronize status map.

diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java
index fbbb166..200066f 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -91,7 +91,7 @@ public class Core extends AbstractService {
        private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
 
        /** The Sones’ statuses. */
-       private final Map<Sone, SoneStatus> soneStatuses = new HashMap<Sone, SoneStatus>();
+       private final Map<Sone, SoneStatus> soneStatuses = Collections.synchronizedMap(new HashMap<Sone, SoneStatus>());
 
        /* various caches follow here. */