diff --git a/cockatrice/src/userlist.cpp b/cockatrice/src/userlist.cpp
index 59717608..b7a52a4c 100644
--- a/cockatrice/src/userlist.cpp
+++ b/cockatrice/src/userlist.cpp
@@ -122,6 +122,25 @@ void BanDialog::okClicked()
         QMessageBox::critical(this, tr("Error"), tr("You have to select a name-based, IP-based, clientId based, or some combination of the three to place a ban."));
         return;
     }
+
+    if (nameBanCheckBox->isChecked())
+        if (nameBanEdit->text() == ""){
+            QMessageBox::critical(this, tr("Error"), tr("You must have at value in the name ban when selecting the name ban checkbox."));
+            return;
+        }
+
+    if (ipBanCheckBox->isChecked())
+        if (ipBanEdit->text() == ""){
+            QMessageBox::critical(this, tr("Error"), tr("You must have at value in the ip ban when selecting the ip ban checkbox."));
+            return;
+        }
+
+    if (idBanCheckBox->isChecked())
+        if (idBanCheckBox->text() == ""){
+            QMessageBox::critical(this, tr("Error"), tr("You must have at value in the clientid ban when selecting the clientid ban checkbox."));
+            return;
+        }
+
     accept();
 }