diff --git a/Sources/Foundation/DateComponents.swift b/Sources/Foundation/DateComponents.swift
index 95865d25bb..3f87791aab 100644
--- a/Sources/Foundation/DateComponents.swift
+++ b/Sources/Foundation/DateComponents.swift
@@ -38,7 +38,7 @@ extension DateComponents : _ObjectiveCBridgeable {
     
     public static func _forceBridgeFromObjectiveC(_ dateComponents: NSDateComponents, result: inout DateComponents?) {
         if !_conditionallyBridgeFromObjectiveC(dateComponents, result: &result) {
-            fatalError("Unable to bridge \(DateComponents.self) to \(self)")
+            fatalError("Unable to bridge \(NSDateComponents.self) to \(self)")
         }
     }
     
diff --git a/Sources/Foundation/Notification.swift b/Sources/Foundation/Notification.swift
index 936d28caf7..b125bead13 100644
--- a/Sources/Foundation/Notification.swift
+++ b/Sources/Foundation/Notification.swift
@@ -111,7 +111,7 @@ extension Notification : _ObjectiveCBridgeable {
     
     public static func _forceBridgeFromObjectiveC(_ x: NSNotification, result: inout Notification?) {
         if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
-            fatalError("Unable to bridge type")
+            fatalError("Unable to bridge \(NSNotification.self) to \(self)")
         }
     }