diff --git a/modules/video_coding/BUILD.gn b/modules/video_coding/BUILD.gn
index 640d6626de..125a368972 100644
--- a/modules/video_coding/BUILD.gn
+++ b/modules/video_coding/BUILD.gn
@@ -544,6 +544,7 @@ rtc_library("webrtc_h264") {
   if (rtc_use_h264) {
     deps += [
       "//third_party/ffmpeg",
+      "//third_party/openh264:buildflags",
       "//third_party/openh264:encoder",
     ]
     if (!build_with_mozilla) {
diff --git a/modules/video_coding/codecs/h264/h264_encoder_impl.cc b/modules/video_coding/codecs/h264/h264_encoder_impl.cc
index fc3fd195fb..5029dc9763 100644
--- a/modules/video_coding/codecs/h264/h264_encoder_impl.cc
+++ b/modules/video_coding/codecs/h264/h264_encoder_impl.cc
@@ -31,10 +31,19 @@
 #include "system_wrappers/include/metrics.h"
 #include "third_party/libyuv/include/libyuv/convert.h"
 #include "third_party/libyuv/include/libyuv/scale.h"
+// TODO(crbug.com/1218384): Remove after new openh264 is rolled.
+#include "third_party/openh264/buildflags.h"
+#if BUILDFLAG(OPENH264_API_WELS)
+#include "third_party/openh264/src/codec/api/wels/codec_api.h"
+#include "third_party/openh264/src/codec/api/wels/codec_app_def.h"
+#include "third_party/openh264/src/codec/api/wels/codec_def.h"
+#include "third_party/openh264/src/codec/api/wels/codec_ver.h"
+#else
 #include "third_party/openh264/src/codec/api/svc/codec_api.h"
 #include "third_party/openh264/src/codec/api/svc/codec_app_def.h"
 #include "third_party/openh264/src/codec/api/svc/codec_def.h"
 #include "third_party/openh264/src/codec/api/svc/codec_ver.h"
+#endif
 
 namespace webrtc {
 
diff --git a/modules/video_coding/codecs/h264/h264_encoder_impl.h b/modules/video_coding/codecs/h264/h264_encoder_impl.h
index 780781be23..c1d81915cf 100644
--- a/modules/video_coding/codecs/h264/h264_encoder_impl.h
+++ b/modules/video_coding/codecs/h264/h264_encoder_impl.h
@@ -30,7 +30,13 @@
 #include "modules/video_coding/codecs/h264/include/h264.h"
 #include "modules/video_coding/svc/scalable_video_controller.h"
 #include "modules/video_coding/utility/quality_scaler.h"
+// TODO(crbug.com/1218384): Remove after new openh264 is rolled.
+#include "third_party/openh264/buildflags.h"
+#if BUILDFLAG(OPENH264_API_WELS)
+#include "third_party/openh264/src/codec/api/wels/codec_app_def.h"
+#else
 #include "third_party/openh264/src/codec/api/svc/codec_app_def.h"
+#endif
 
 class ISVCEncoder;