diff --git a/src/main/java/org/qortal/api/websocket/AdminStatusWebSocket.java b/src/main/java/org/qortal/api/websocket/AdminStatusWebSocket.java
index 4d65956e..db382779 100644
--- a/src/main/java/org/qortal/api/websocket/AdminStatusWebSocket.java
+++ b/src/main/java/org/qortal/api/websocket/AdminStatusWebSocket.java
@@ -31,7 +31,7 @@ public class AdminStatusWebSocket extends ApiWebSocket implements Listener {
 			return;
 		}
 
-		EventBus.INSTANCE.addListener(this::listen);
+		EventBus.INSTANCE.addListener(this);
 	}
 
 	@Override
diff --git a/src/main/java/org/qortal/api/websocket/BlocksWebSocket.java b/src/main/java/org/qortal/api/websocket/BlocksWebSocket.java
index 01235755..a6cf77b1 100644
--- a/src/main/java/org/qortal/api/websocket/BlocksWebSocket.java
+++ b/src/main/java/org/qortal/api/websocket/BlocksWebSocket.java
@@ -28,7 +28,7 @@ public class BlocksWebSocket extends ApiWebSocket implements Listener {
 	public void configure(WebSocketServletFactory factory) {
 		factory.register(BlocksWebSocket.class);
 
-		EventBus.INSTANCE.addListener(this::listen);
+		EventBus.INSTANCE.addListener(this);
 	}
 
 	@Override
diff --git a/src/main/java/org/qortal/api/websocket/PresenceWebSocket.java b/src/main/java/org/qortal/api/websocket/PresenceWebSocket.java
index 510b712f..f1083c66 100644
--- a/src/main/java/org/qortal/api/websocket/PresenceWebSocket.java
+++ b/src/main/java/org/qortal/api/websocket/PresenceWebSocket.java
@@ -86,7 +86,7 @@ public class PresenceWebSocket extends ApiWebSocket implements Listener {
 			return;
 		}
 
-		EventBus.INSTANCE.addListener(this::listen);
+		EventBus.INSTANCE.addListener(this);
 	}
 
 	@Override
diff --git a/src/main/java/org/qortal/api/websocket/TradeBotWebSocket.java b/src/main/java/org/qortal/api/websocket/TradeBotWebSocket.java
index 7746f8f8..29713aff 100644
--- a/src/main/java/org/qortal/api/websocket/TradeBotWebSocket.java
+++ b/src/main/java/org/qortal/api/websocket/TradeBotWebSocket.java
@@ -43,7 +43,7 @@ public class TradeBotWebSocket extends ApiWebSocket implements Listener {
 			// No output this time
 		}
 
-		EventBus.INSTANCE.addListener(this::listen);
+		EventBus.INSTANCE.addListener(this);
 	}
 
 	@Override
diff --git a/src/main/java/org/qortal/api/websocket/TradeOffersWebSocket.java b/src/main/java/org/qortal/api/websocket/TradeOffersWebSocket.java
index 3f61fb98..96257f4a 100644
--- a/src/main/java/org/qortal/api/websocket/TradeOffersWebSocket.java
+++ b/src/main/java/org/qortal/api/websocket/TradeOffersWebSocket.java
@@ -67,7 +67,7 @@ public class TradeOffersWebSocket extends ApiWebSocket implements Listener {
 			return;
 		}
 
-		EventBus.INSTANCE.addListener(this::listen);
+		EventBus.INSTANCE.addListener(this);
 	}
 
 	@Override
diff --git a/src/main/java/org/qortal/api/websocket/TradePresenceWebSocket.java b/src/main/java/org/qortal/api/websocket/TradePresenceWebSocket.java
index ba9a8085..4477d761 100644
--- a/src/main/java/org/qortal/api/websocket/TradePresenceWebSocket.java
+++ b/src/main/java/org/qortal/api/websocket/TradePresenceWebSocket.java
@@ -29,7 +29,7 @@ public class TradePresenceWebSocket extends ApiWebSocket implements Listener {
 
 		populateCurrentInfo();
 
-		EventBus.INSTANCE.addListener(this::listen);
+		EventBus.INSTANCE.addListener(this);
 	}
 
 	@Override