diff --git a/plugins/MachineSettingsAction/MachineSettingsAction.qml b/plugins/MachineSettingsAction/MachineSettingsAction.qml
index 3c1839e07f..2e491b0d38 100644
--- a/plugins/MachineSettingsAction/MachineSettingsAction.qml
+++ b/plugins/MachineSettingsAction/MachineSettingsAction.qml
@@ -77,7 +77,7 @@ Cura.MachineAction
                         {
                             id: buildAreaWidthField
                             text: machineWidthProvider.properties.value
-                            validator: RegExpValidator { regExp: /[0-9]{0,6}/ }
+                            validator: RegExpValidator { regExp: /[0-9\.]{0,6}/ }
                             onEditingFinished: { machineWidthProvider.setPropertyValue("value", text); manager.forceUpdate() }
                         }
                         Label
@@ -93,7 +93,7 @@ Cura.MachineAction
                         {
                             id: buildAreaDepthField
                             text: machineDepthProvider.properties.value
-                            validator: RegExpValidator { regExp: /[0-9]{0,6}/ }
+                            validator: RegExpValidator { regExp: /[0-9\.]{0,6}/ }
                             onEditingFinished: { machineDepthProvider.setPropertyValue("value", text); manager.forceUpdate() }
                         }
                         Label
@@ -109,7 +109,7 @@ Cura.MachineAction
                         {
                             id: buildAreaHeightField
                             text: machineHeightProvider.properties.value
-                            validator: RegExpValidator { regExp: /[0-9]{0,6}/ }
+                            validator: RegExpValidator { regExp: /[0-9\.]{0,6}/ }
                             onEditingFinished: { machineHeightProvider.setPropertyValue("value", text); manager.forceUpdate() }
                         }
                         Label
@@ -182,7 +182,7 @@ Cura.MachineAction
                         {
                             id: printheadXMinField
                             text: getHeadPolygonCoord("x", "min")
-                            validator: RegExpValidator { regExp: /[0-9]{0,6}/ }
+                            validator: RegExpValidator { regExp: /[0-9\.]{0,6}/ }
                             onEditingFinished: setHeadPolygon()
                         }
                         Label
@@ -198,7 +198,7 @@ Cura.MachineAction
                         {
                             id: printheadYMinField
                             text: getHeadPolygonCoord("y", "min")
-                            validator: RegExpValidator { regExp: /[0-9]{0,6}/ }
+                            validator: RegExpValidator { regExp: /[0-9\.]{0,6}/ }
                             onEditingFinished: setHeadPolygon()
                         }
                         Label
@@ -214,7 +214,7 @@ Cura.MachineAction
                         {
                             id: printheadXMaxField
                             text: getHeadPolygonCoord("x", "max")
-                            validator: RegExpValidator { regExp: /[0-9]{0,6}/ }
+                            validator: RegExpValidator { regExp: /[0-9\.]{0,6}/ }
                             onEditingFinished: setHeadPolygon()
                         }
                         Label
@@ -230,7 +230,7 @@ Cura.MachineAction
                         {
                             id: printheadYMaxField
                             text: getHeadPolygonCoord("y", "max")
-                            validator: RegExpValidator { regExp: /[0-9]{0,6}/ }
+                            validator: RegExpValidator { regExp: /[0-9\.]{0,6}/ }
                             onEditingFinished: setHeadPolygon()
                         }
                         Label