diff --git a/main.py b/main.py
index 091eef9..bedda6d 100755
--- a/main.py
+++ b/main.py
@@ -1565,9 +1565,10 @@ class MainWindow(QMainWindow):
         self._btn_scan.clicked.connect(self._start_scan)
 
         self._sld_threshold = QDoubleSpinBox()
+        self._sld_threshold.setDecimals(2)
         self._sld_threshold.setRange(0.0, 1.0)
-        self._sld_threshold.setSingleStep(0.05)
-        self._sld_threshold.setValue(0.7)
+        self._sld_threshold.setSingleStep(0.01)
+        self._sld_threshold.setValue(0.70)
         self._sld_threshold.setPrefix("Thr: ")
         self._sld_threshold.setToolTip("Similarity threshold (0=match everything, 1=exact match)")