diff --git a/Bucket/Makefile.am b/Bucket/Makefile.am
index 089ddc8a2..6f7e25dd2 100644
--- a/Bucket/Makefile.am
+++ b/Bucket/Makefile.am
@@ -1,5 +1,5 @@
 noinst_LIBRARIES = libBucket.a
 
-libBucket_a_SOURCES = bucketutils.c bucketutils.h
+libBucket_a_SOURCES = bucketutils.c bucketutils.h bucketutils.hxx
 
 INCLUDES += -I$(top_builddir)