diff --git a/webrtc/modules/Makefile.am b/webrtc/modules/Makefile.am
index a2b4429..0216ee5 100644
--- a/webrtc/modules/Makefile.am
+++ b/webrtc/modules/Makefile.am
@@ -1 +1,4 @@
 SUBDIRS = audio_coding audio_processing
+
+EXTRA_DIST = interface/module_common_types.h \
+	     utility/interface/audio_frame_operations.h
diff --git a/webrtc/modules/audio_processing/Makefile.am b/webrtc/modules/audio_processing/Makefile.am
index 48defd7..4c76a29 100644
--- a/webrtc/modules/audio_processing/Makefile.am
+++ b/webrtc/modules/audio_processing/Makefile.am
@@ -17,6 +17,7 @@ libwebrtc_audio_processing_la_SOURCES = include/audio_processing.h \
 					aecm/aecm_core.c \
 					aecm/aecm_core.h \
 					aecm/aecm_core_c.c \
+					aecm/aecm_defines.h \
 					agc/legacy/analog_agc.c \
 					agc/legacy/analog_agc.h \
 					agc/legacy/gain_control.h \
diff --git a/webrtc/system_wrappers/Makefile.am b/webrtc/system_wrappers/Makefile.am
index 0dce7e5..552d0a1 100644
--- a/webrtc/system_wrappers/Makefile.am
+++ b/webrtc/system_wrappers/Makefile.am
@@ -2,7 +2,9 @@ noinst_LTLIBRARIES = libsystem_wrappers.la
 
 noinst_HEADERS = interface/aligned_array.h \
 		 interface/compile_assert_c.h \
+		 interface/event_wrapper.h \
 		 interface/scoped_vector.h \
+		 interface/static_instance.h \
 		 interface/stl_util.h
 
 libsystem_wrappers_la_SOURCES = interface/aligned_malloc.h \
@@ -11,7 +13,9 @@ libsystem_wrappers_la_SOURCES = interface/aligned_malloc.h \
 				interface/file_wrapper.h \
 				interface/logging.h \
 				interface/metrics.h \
+				interface/rw_lock_wrapper.h \
 				interface/sleep.h \
+				interface/thread_wrapper.h \
 				interface/trace.h \
 				source/aligned_malloc.cc \
 				source/cpu_features.cc \