Index: package/contents/ui/CompactRepresentation.qml
===================================================================
--- package/contents/ui/CompactRepresentation.qml
+++ package/contents/ui/CompactRepresentation.qml
@@ -48,6 +48,8 @@
     property color redshiftColour: '#ff3c0b'
     property color brightnessColour: '#39a2ee'
 
+    property string versionString: 'N/A'
+
     PlasmaCore.IconItem {
         id: customIcon
         anchors.fill: parent
@@ -136,7 +138,11 @@
                     }
                 }
             }
-            redshiftDS.connectedSources.push(redshiftOneTimeCommand)
+            if (parseFloat(versionString) >= 1.12) {
+                redshiftDS.connectedSources.push(redshiftOneTimeCommand + " -P")
+            } else {
+                redshiftDS.connectedSources.push(redshiftOneTimeCommand)
+            }
         }
 
         onClicked: {
@@ -169,4 +175,19 @@
         }
     }
 
+    PlasmaCore.DataSource {
+        id: getOptionsDS
+        engine: 'executable'
+
+        connectedSources: ['redshift -V']
+
+        onNewData: {
+            connectedSources.length = 0
+            if (data['exit code'] > 0) {
+                print('Error running redshift with command: ' + sourceName + '   ...stderr: ' + data.stderr)
+                return
+            }
+            versionString = data.stdout.split(' ')[1]
+        }
+    }
 }
Index: package/contents/ui/main.qml
===================================================================
--- package/contents/ui/main.qml
+++ package/contents/ui/main.qml
@@ -67,7 +67,7 @@
     // - commands
     property string redshiftCommand: 'redshift' + locationCmdPart + modeCmdPart + ' -t ' + dayTemperature + ':' + nightTemperature + brightnessAndGamma + (smoothTransitions ? '' : ' -r')
     property string redshiftOneTimeBrightnessAndGamma: ' -b ' + (currentBrightness*0.01).toFixed(2) + ':' + (currentBrightness*0.01).toFixed(2) + ' -g ' + gammaR + ':' + gammaG + ':' + gammaB
-    property string redshiftOneTimeCommand: 'redshift -O ' + manualTemperature + redshiftOneTimeBrightnessAndGamma + ' -r'
+    property string redshiftOneTimeCommand: 'redshift -P -O ' + manualTemperature + redshiftOneTimeBrightnessAndGamma + ' -r'
     property string redshiftPrintCommand: 'LANG=C ' + redshiftCommand + ' -p'
 
     property bool inTray: (plasmoid.parent === null || plasmoid.parent.objectName === 'taskItemContainer')