diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index 8122991eb7..98e45ac86a 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -1202,6 +1202,7 @@ if (is_ios || is_mac) {
           "objc/components/renderer/metal/RTCMTLVideoView.h",
           "objc/components/renderer/opengl/RTCEAGLVideoView.h",
           "objc/components/renderer/opengl/RTCVideoViewShading.h",
+          "objc/components/renderer/opengl/RTCDefaultShader.h",
           "objc/components/video_codec/RTCCodecSpecificInfoH264.h",
           "objc/components/video_codec/RTCDefaultVideoDecoderFactory.h",
           "objc/components/video_codec/RTCDefaultVideoEncoderFactory.h",
@@ -1391,6 +1392,7 @@ if (is_ios || is_mac) {
           "objc/components/renderer/metal/RTCMTLNSVideoView.h",
           "objc/components/renderer/opengl/RTCNSGLVideoView.h",
           "objc/components/renderer/opengl/RTCVideoViewShading.h",
+          "objc/components/renderer/opengl/RTCDefaultShader.h",
           "objc/components/video_codec/RTCCodecSpecificInfoH264.h",
           "objc/components/video_codec/RTCDefaultVideoDecoderFactory.h",
           "objc/components/video_codec/RTCDefaultVideoEncoderFactory.h",
diff --git a/sdk/objc/components/renderer/opengl/RTCDefaultShader.h b/sdk/objc/components/renderer/opengl/RTCDefaultShader.h
index 71a073ab21..bba04283ee 100644
--- a/sdk/objc/components/renderer/opengl/RTCDefaultShader.h
+++ b/sdk/objc/components/renderer/opengl/RTCDefaultShader.h
@@ -9,6 +9,7 @@
  */
 
 #import "RTCVideoViewShading.h"
+#import "RTCMacros.h"
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -16,6 +17,7 @@ NS_ASSUME_NONNULL_BEGIN
  *  and RTCEAGLVideoView if no external shader is specified. This shader will render
  *  the video in a rectangle without any color or geometric transformations.
  */
+RTC_OBJC_EXPORT
 @interface RTCDefaultShader : NSObject <RTC_OBJC_TYPE (RTCVideoViewShading)>
 
 @end