diff --git a/client/variablefieldswidget.cpp b/client/variablefieldswidget.cpp
index fab811f..9332944 100644
--- a/client/variablefieldswidget.cpp
+++ b/client/variablefieldswidget.cpp
@@ -295,8 +295,8 @@ void VariableFieldsWidget::on_type_currentIndexChanged(int index)
         bitmask->setInputMask("HHHHHHHH");
         bitmask->setText("FFFFFFFF");
         valueRange_->setRange(0, 0xFFFFFFFF);
-        count->setRange(0, 0xFFFF);
-        step->setRange(0, 0xFFFF);
+        count->setRange(0, 0x7FFFFFFF);
+        step->setRange(0, 0x7FFFFFFF);
         break;
     default:
         Q_ASSERT(false); // unreachable