diff --git a/ICSharpCode.Decompiler.Tests/TestCases/Pretty/DynamicTests.cs b/ICSharpCode.Decompiler.Tests/TestCases/Pretty/DynamicTests.cs
index 619540157..7811ffe01 100644
--- a/ICSharpCode.Decompiler.Tests/TestCases/Pretty/DynamicTests.cs
+++ b/ICSharpCode.Decompiler.Tests/TestCases/Pretty/DynamicTests.cs
@@ -394,6 +394,7 @@ namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
 			//++a;
 			DynamicTests.Casts(-a);
 			DynamicTests.Casts(+a);
+			DynamicTests.Casts(~a);
 		}
 
 		private static void Loops(dynamic list)
diff --git a/ICSharpCode.Decompiler/CSharp/ExpressionBuilder.cs b/ICSharpCode.Decompiler/CSharp/ExpressionBuilder.cs
index 0b6b87504..f07420fb4 100644
--- a/ICSharpCode.Decompiler/CSharp/ExpressionBuilder.cs
+++ b/ICSharpCode.Decompiler/CSharp/ExpressionBuilder.cs
@@ -4540,6 +4540,8 @@ namespace ICSharpCode.Decompiler.CSharp
 					return CreateUnaryOperator(UnaryOperatorType.Minus, isChecked: true);
 				case ExpressionType.UnaryPlus:
 					return CreateUnaryOperator(UnaryOperatorType.Plus, isChecked: inst.BinderFlags.HasFlag(CSharpBinderFlags.CheckedContext));
+				case ExpressionType.OnesComplement:
+					return CreateUnaryOperator(UnaryOperatorType.BitNot);
 				case ExpressionType.IsTrue:
 					var operand = TranslateDynamicArgument(inst.Operand, inst.OperandArgumentInfo);
 					Expression expr;