diff --git a/Tests/SwiftProtobufTests/Test_TextFormat_Unknown.swift b/Tests/SwiftProtobufTests/Test_TextFormat_Unknown.swift
index e07c3bdeb..42b8db1ac 100644
--- a/Tests/SwiftProtobufTests/Test_TextFormat_Unknown.swift
+++ b/Tests/SwiftProtobufTests/Test_TextFormat_Unknown.swift
@@ -122,7 +122,7 @@ final class Test_TextFormat_Unknown: XCTestCase, PBTestHelpers {
         do {
             let _ = try MessageTestType(textFormatString: text)
             XCTFail("Shouldn't get here")
-        } catch TextFormatDecodingError.unknownField {
+        } catch let error as SwiftProtobufError where self.isSwiftProtobufErrorEqual(error, .TextFormatDecoding.unknownField()) {
             // This is what should have happened.
         }
 
@@ -140,7 +140,7 @@ final class Test_TextFormat_Unknown: XCTestCase, PBTestHelpers {
         do {
             let _ = try MessageTestType(textFormatString: text)
             XCTFail("Shouldn't get here")
-        } catch TextFormatDecodingError.unknownField {
+        } catch let error as SwiftProtobufError where self.isSwiftProtobufErrorEqual(error, .TextFormatDecoding.unknownField()) {
             // This is what should have happened.
         }
 
@@ -175,7 +175,7 @@ final class Test_TextFormat_Unknown: XCTestCase, PBTestHelpers {
         do {
             let _ = try MessageTestType(textFormatString: text)
             XCTFail("Shouldn't get here")
-        } catch TextFormatDecodingError.unknownField {
+        } catch let error as SwiftProtobufError where self.isSwiftProtobufErrorEqual(error, .TextFormatDecoding.unknownField()) {
             // This is what should have happened.
         }