diff --git a/viewer/JFJochViewerSidePanel.cpp b/viewer/JFJochViewerSidePanel.cpp
index 91c9a5d3..f5bf49ea 100644
--- a/viewer/JFJochViewerSidePanel.cpp
+++ b/viewer/JFJochViewerSidePanel.cpp
@@ -231,7 +231,7 @@ void JFJochViewerSidePanel::findBeamCenterClicked() {
 void JFJochViewerSidePanel::setRings(const QVector <float> &v) {
     QString txt;
     for (float i : v) {
-        txt += QString::number(i, 'f', 3) + ",";
+        txt += QString::number(i, 'f', 4) + ",";
     }
 
     resRingsCheckBox->setChecked(true);