diff --git a/src/main/java/org/qortal/crosschain/ElectrumX.java b/src/main/java/org/qortal/crosschain/ElectrumX.java
index d6e35efc..b6fe15f9 100644
--- a/src/main/java/org/qortal/crosschain/ElectrumX.java
+++ b/src/main/java/org/qortal/crosschain/ElectrumX.java
@@ -412,7 +412,7 @@ public class ElectrumX extends BitcoinyBlockchainProvider {
 
 				// For the purposes of Qortal we require all outputs to contain addresses
 				// Some servers omit this info, causing problems down the line with balance calculations
-				if (addresses.isEmpty()) {
+				if (addresses == null || addresses.isEmpty()) {
 					if (this.currentServer != null) {
 						this.uselessServers.add(this.currentServer);
 						this.closeServer(this.currentServer);