diff --git a/src/ZXing.Net.Mobile/MonoForAndroid/ZxingActivity.cs b/src/ZXing.Net.Mobile/MonoForAndroid/ZxingActivity.cs
index a0fb87f1b..8cc7addd1 100644
--- a/src/ZXing.Net.Mobile/MonoForAndroid/ZxingActivity.cs
+++ b/src/ZXing.Net.Mobile/MonoForAndroid/ZxingActivity.cs
@@ -303,7 +303,7 @@ public void OnPreviewFrame (byte [] bytes, Android.Hardware.Camera camera)
 					if (!string.IsNullOrEmpty (this.options.CharacterSet))
 						barcodeReader.CharacterSet = this.options.CharacterSet;
 					if (this.options.TryInverted.HasValue)
-						barcodeReader.TryHarder = this.options.TryInverted.Value;
+						barcodeReader.TryInverted = this.options.TryInverted.Value;
 					
 					if (this.options.PossibleFormats != null && this.options.PossibleFormats.Count > 0)
 					{