diff --git a/inst/qml/variablesChartsIndividuals.qml b/inst/qml/variablesChartsIndividuals.qml
index 38d56bcc..f8487f20 100644
--- a/inst/qml/variablesChartsIndividuals.qml
+++ b/inst/qml/variablesChartsIndividuals.qml
@@ -277,7 +277,7 @@ Form
 			label: 								qsTr("Number of std. dev. for calculation of control limits")
 			fieldWidth: 						30
 			defaultValue: 						3
-			min:								.000001
+			min:								1
 		}
 	}
 }
diff --git a/inst/qml/variablesChartsSubgroups.qml b/inst/qml/variablesChartsSubgroups.qml
index c6aa501a..d3c1f9dc 100644
--- a/inst/qml/variablesChartsSubgroups.qml
+++ b/inst/qml/variablesChartsSubgroups.qml
@@ -412,7 +412,7 @@ Form
 			label: 								qsTr("Number of std. dev. for calculation of control limits")
 			fieldWidth: 						30
 			defaultValue: 						3
-			min:								.000001
+			min:								1
 		}
 	}
 }