diff --git a/src/app/qgsvectorlayerdigitizingproperties.cpp b/src/app/qgsvectorlayerdigitizingproperties.cpp
index 3f15ebf3f8cf..1c4362424123 100644
--- a/src/app/qgsvectorlayerdigitizingproperties.cpp
+++ b/src/app/qgsvectorlayerdigitizingproperties.cpp
@@ -43,7 +43,7 @@ QgsVectorLayerDigitizingPropertiesPage::QgsVectorLayerDigitizingPropertiesPage(
     mGeometryPrecisionLineEdit->setValidator( new QDoubleValidator( mGeometryPrecisionLineEdit ) );
 
     const double precision( vlayer->geometryOptions()->geometryPrecision() );
-    QString precisionStr( QLocale().toString( precision, 'g', 15 ) );
+    QString precisionStr( QLocale().toString( precision, 'g', 17 ) );
     if ( precision == 0.0 )
       precisionStr = QString();
     mGeometryPrecisionLineEdit->setText( precisionStr );