diff --git a/ChangeLog b/ChangeLog
index 7735076b..dcbbb657 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-29  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Added extension_message_test_helper.h to aria2c_SOURCES.
+	* test/Makefile.am
+
 2009-11-29  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Documented --bt-prioritize-piece option in man page.
diff --git a/test/Makefile.am b/test/Makefile.am
index f148f2d9..1741a2ed 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -189,7 +189,8 @@ aria2c_SOURCES += BtAllowedFastMessageTest.cc\
 	BencodeTest.cc\
 	BittorrentHelperTest.cc\
 	PriorityPieceSelectorTest.cc\
-	MockPieceSelector.h
+	MockPieceSelector.h\
+	extension_message_test_helper.h
 endif # ENABLE_BITTORRENT
 
 if ENABLE_METALINK
diff --git a/test/Makefile.in b/test/Makefile.in
index 5d912184..efdd05ad 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -138,7 +138,8 @@ check_PROGRAMS = $(am__EXEEXT_1)
 @ENABLE_BITTORRENT_TRUE@	BencodeTest.cc\
 @ENABLE_BITTORRENT_TRUE@	BittorrentHelperTest.cc\
 @ENABLE_BITTORRENT_TRUE@	PriorityPieceSelectorTest.cc\
-@ENABLE_BITTORRENT_TRUE@	MockPieceSelector.h
+@ENABLE_BITTORRENT_TRUE@	MockPieceSelector.h\
+@ENABLE_BITTORRENT_TRUE@	extension_message_test_helper.h
 
 @ENABLE_METALINK_TRUE@am__append_7 = MetalinkerTest.cc\
 @ENABLE_METALINK_TRUE@	MetalinkEntryTest.cc\
@@ -262,8 +263,8 @@ am__aria2c_SOURCES_DIST = AllTest.cc TestUtil.cc TestUtil.h \
 	MockExtensionMessage.h MockExtensionMessageFactory.h \
 	MockPieceStorage.h BencodeTest.cc BittorrentHelperTest.cc \
 	PriorityPieceSelectorTest.cc MockPieceSelector.h \
-	MetalinkerTest.cc MetalinkEntryTest.cc \
-	Metalink2RequestGroupTest.cc \
+	extension_message_test_helper.h MetalinkerTest.cc \
+	MetalinkEntryTest.cc Metalink2RequestGroupTest.cc \
 	MetalinkPostDownloadHandlerTest.cc MetalinkHelperTest.cc \
 	MetalinkParserControllerTest.cc MetalinkProcessorTest.cc
 @ENABLE_XML_RPC_TRUE@am__objects_1 = XmlRpcRequestParserControllerTest.$(OBJEXT) \