diff --git a/3rdparty/Makefile.am b/3rdparty/Makefile.am
index 227fe280f4..ec12adb883 100644
--- a/3rdparty/Makefile.am
+++ b/3rdparty/Makefile.am
@@ -1,6 +1,10 @@
 include $(top_srcdir)/config/common.am
 
-DIST_SUBDIRS = dtl hunspell mythes libiconv zlib
+DIST_SUBDIRS = boost dtl hunspell mythes libiconv zlib
+
+if USE_INCLUDED_BOOST
+BOOST = boost
+endif
 
 if USE_INCLUDED_HUNSPELL
 HUNSPELL = hunspell
@@ -22,7 +26,7 @@ if BUILD_INCLUDED_DTL
 DTL=dtl
 endif
 
-SUBDIRS = $(DTL) $(HUNSPELL) $(MYTHES) $(ICONV) $(ZLIB)
+SUBDIRS = $(BOOST) $(DTL) $(HUNSPELL) $(MYTHES) $(ICONV) $(ZLIB)
 
 EXTRA_DIST = \
 	scripts/evince_sync/evince_backward_search \