diff --git a/GreenshotPlugin/Core/CoreConfiguration.cs b/GreenshotPlugin/Core/CoreConfiguration.cs
index 8997ac7cf..87e3e539d 100644
--- a/GreenshotPlugin/Core/CoreConfiguration.cs
+++ b/GreenshotPlugin/Core/CoreConfiguration.cs
@@ -413,8 +413,8 @@ namespace GreenshotPlugin.Core {
 			if (AutoCropDifference > 255) {
 				AutoCropDifference = 255;
 			}
-			if (OutputFileReduceColorsTo < 0) {
-				OutputFileReduceColorsTo = 0;
+			if (OutputFileReduceColorsTo < 2) {
+				OutputFileReduceColorsTo = 2;
 			}
 			if (OutputFileReduceColorsTo > 256) {
 				OutputFileReduceColorsTo = 256;