diff --git a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKSServerFactory.java b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKSServerFactory.java
index 9170d7a2e..8b7ea5fde 100644
--- a/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKSServerFactory.java
+++ b/apps/i2ptunnel/java/src/net/i2p/i2ptunnel/socks/SOCKSServerFactory.java
@@ -50,9 +50,7 @@ class SOCKSServerFactory {
             switch (socksVer) {
             case 0x04:
                 // SOCKS version 4/4a
-                if (Boolean.parseBoolean(props.getProperty(I2PTunnelHTTPClientBase.PROP_AUTH)) &&
-                    props.containsKey(I2PTunnelHTTPClientBase.PROP_USER) &&
-                    props.containsKey(I2PTunnelHTTPClientBase.PROP_PW)) {
+                if (Boolean.parseBoolean(props.getProperty(I2PTunnelHTTPClientBase.PROP_AUTH))) {
                     throw new SOCKSException("SOCKS 4/4a not supported when authorization is required");
                 }
                 serv = new SOCKS4aServer(ctx, s, props);