diff --git a/common/src/main/java/me/confuser/banmanager/common/commands/UnbanIpCommand.java b/common/src/main/java/me/confuser/banmanager/common/commands/UnbanIpCommand.java
index b5d43a47..9f431d20 100644
--- a/common/src/main/java/me/confuser/banmanager/common/commands/UnbanIpCommand.java
+++ b/common/src/main/java/me/confuser/banmanager/common/commands/UnbanIpCommand.java
@@ -62,6 +62,8 @@ public boolean onCommand(final CommonSender sender, CommandParser originalParser
         try {
           ip = new IPAddressString(ipStr).toAddress();
         } catch (AddressStringException e) {
+          sender.sendMessage(Message.get("sender.error.exception").toString());
+          e.printStackTrace();
           return;
         }
       }