diff --git a/osu.sln.DotSettings b/osu.sln.DotSettings
index aa8f8739c1..4ac796ccd0 100644
--- a/osu.sln.DotSettings
+++ b/osu.sln.DotSettings
@@ -18,7 +18,7 @@
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ArrangeTypeModifiers/@EntryIndexedValue">WARNING</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AssignedValueIsNeverUsed/@EntryIndexedValue">HINT</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AssignmentIsFullyDiscarded/@EntryIndexedValue">DO_NOT_SHOW</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AssignNullToNotNullAttribute/@EntryIndexedValue">HINT</s:String>
+	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AssignNullToNotNullAttribute/@EntryIndexedValue">WARNING</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AutoPropertyCanBeMadeGetOnly_002EGlobal/@EntryIndexedValue">WARNING</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=AutoPropertyCanBeMadeGetOnly_002ELocal/@EntryIndexedValue">WARNING</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=BadAttributeBracketsSpaces/@EntryIndexedValue">WARNING</s:String>