diff --git a/src/main/java/org/qora/controller/Controller.java b/src/main/java/org/qora/controller/Controller.java
index 1e5afe92..a05cb4ce 100644
--- a/src/main/java/org/qora/controller/Controller.java
+++ b/src/main/java/org/qora/controller/Controller.java
@@ -728,6 +728,10 @@ public class Controller extends Thread {
 							continue;
 						}
 
+						// Check isInterrupted() here and exit fast
+						if (Thread.currentThread().isInterrupted())
+							return;
+
 						// Fetch actual transaction data from peer
 						Message getTransactionMessage = new GetTransactionMessage(signature);
 						Message responseMessage = peer.getResponse(getTransactionMessage);
@@ -737,6 +741,10 @@ public class Controller extends Thread {
 							continue;
 						}
 
+						// Check isInterrupted() here and exit fast
+						if (Thread.currentThread().isInterrupted())
+							return;
+
 						TransactionMessage transactionMessage = (TransactionMessage) responseMessage;
 						TransactionData transactionData = transactionMessage.getTransactionData();
 						Transaction transaction = Transaction.fromData(repository, transactionData);