diff --git a/sdk/objc/native/src/objc_video_encoder_factory.mm b/sdk/objc/native/src/objc_video_encoder_factory.mm
index c2afb2f878..027bfb5189 100644
--- a/sdk/objc/native/src/objc_video_encoder_factory.mm
+++ b/sdk/objc/native/src/objc_video_encoder_factory.mm
@@ -157,7 +157,7 @@ std::vector<SdpVideoFormat> ObjCVideoEncoderFactory::GetSupportedFormats() const
 }
 
 std::vector<SdpVideoFormat> ObjCVideoEncoderFactory::GetImplementations() const {
-  if ([encoder_factory_ respondsToSelector:SEL("implementations")]) {
+  if ([encoder_factory_ respondsToSelector:@selector(implementations)]) {
     std::vector<SdpVideoFormat> supported_formats;
     for (RTCVideoCodecInfo *supportedCodec in [encoder_factory_ implementations]) {
       SdpVideoFormat format = [supportedCodec nativeSdpVideoFormat];
@@ -194,7 +194,7 @@ std::unique_ptr<VideoEncoder> ObjCVideoEncoderFactory::CreateVideoEncoder(
 
 std::unique_ptr<VideoEncoderFactory::EncoderSelectorInterface>
     ObjCVideoEncoderFactory::GetEncoderSelector() const {
-  if ([encoder_factory_ respondsToSelector:SEL("encoderSelector")]) {
+  if ([encoder_factory_ respondsToSelector:@selector(encoderSelector)]) {
     return absl::make_unique<ObjcVideoEncoderSelector>([encoder_factory_ encoderSelector]);
   }
   return nullptr;
diff --git a/sdk/objc/unittests/objc_video_encoder_factory_tests.mm b/sdk/objc/unittests/objc_video_encoder_factory_tests.mm
index cd7d739c4e..452c81566c 100644
--- a/sdk/objc/unittests/objc_video_encoder_factory_tests.mm
+++ b/sdk/objc/unittests/objc_video_encoder_factory_tests.mm
@@ -37,6 +37,7 @@ id<RTCVideoEncoderFactory> CreateEncoderFactoryReturning(int return_code) {
   id encoderFactoryMock = OCMProtocolMock(@protocol(RTCVideoEncoderFactory));
   RTCVideoCodecInfo *supported = [[RTCVideoCodecInfo alloc] initWithName:@"H264" parameters:nil];
   OCMStub([encoderFactoryMock supportedCodecs]).andReturn(@[ supported ]);
+  OCMStub([encoderFactoryMock implementations]).andReturn(@[ supported ]);
   OCMStub([encoderFactoryMock createEncoder:[OCMArg any]]).andReturn(encoderMock);
   return encoderFactoryMock;
 }