diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp
index 73eb35a54..07946904a 100644
--- a/src/qt/bitcoinamountfield.cpp
+++ b/src/qt/bitcoinamountfield.cpp
@@ -25,7 +25,7 @@ public:
     explicit AmountSpinBox(QWidget *parent):
         QAbstractSpinBox(parent),
         currentUnit(BitcoinUnits::BTC),
-        singleStep(100000) // satoshis
+        singleStep(100000000) // koinu
     {
         setAlignment(Qt::AlignRight);