diff --git a/universalchardet/Makefile.am b/universalchardet/Makefile.am
index b4b55dd9d..7f5087f1b 100644
--- a/universalchardet/Makefile.am
+++ b/universalchardet/Makefile.am
@@ -56,3 +56,10 @@ libuniversalchardet_a_SOURCES += \
 	protypes.h \
 	prtypes.h \
 	xpcom-config.h
+
+EXTRA_DIST = \
+	Big5Freq.tab \
+	EUCKRFreq.tab \
+	EUCTWFreq.tab \ 
+	GB2312Freq.tab \
+	JISFreq.tab