diff --git a/source/lib/compiler.ts b/source/lib/compiler.ts
index c9f7e64..7c06a7f 100644
--- a/source/lib/compiler.ts
+++ b/source/lib/compiler.ts
@@ -28,6 +28,7 @@ const expectErrorDiagnosticCodesToIgnore = new Set<DiagnosticCode>([
 	DiagnosticCode.NoOverloadExpectsCountOfArguments,
 	DiagnosticCode.NoOverloadExpectsCountOfTypeArguments,
 	DiagnosticCode.NoOverloadMatches,
+	DiagnosticCode.Type1IsMissingPropertiesFromType2,
 	DiagnosticCode.PropertyMissingInType1ButRequiredInType2,
 	DiagnosticCode.TypeHasNoPropertiesInCommonWith,
 	DiagnosticCode.ThisContextOfTypeNotAssignableToMethodOfThisType,
diff --git a/source/lib/interfaces.ts b/source/lib/interfaces.ts
index a6ded45..f48de48 100644
--- a/source/lib/interfaces.ts
+++ b/source/lib/interfaces.ts
@@ -57,6 +57,7 @@ export enum DiagnosticCode {
 	IndexSignatureOnlyPermitsReading = 2542,
 	NoOverloadExpectsCountOfArguments = 2575,
 	ThisContextOfTypeNotAssignableToMethodOfThisType = 2684,
+	Type1IsMissingPropertiesFromType2 = 2740,
 	PropertyMissingInType1ButRequiredInType2 = 2741,
 	NoOverloadExpectsCountOfTypeArguments = 2743,
 	NoOverloadMatches = 2769,