diff --git a/Makefile.in b/Makefile.in
index 0e0fb241f..c9e806f67 100755
--- a/Makefile.in
+++ b/Makefile.in
@@ -510,6 +510,7 @@ all: startup.yss
 	@INSTALL_DLLS@ (cd packages/http; $(MAKE))
 	@INSTALL_DLLS@ (cd packages/sgml; $(MAKE))
 	@INSTALL_DLLS@ (cd packages/plunit; $(MAKE))
+	@INSTALL_DLLS@ (cd packages/semweb; $(MAKE))
 	@USE_MINISAT@ (cd packages/swi-minisat2/C; $(MAKE))
 	@INSTALL_MATLAB@ (cd library/matlab; $(MAKE))
 	@ENABLE_CPLINT@ (cd packages/cplint/approx/simplecuddLPADs; $(MAKE))
@@ -561,6 +562,7 @@ install_unix: startup.yss libYap.a
 	@INSTALL_DLLS@ (cd library/tries; $(MAKE) install)
 	@INSTALL_DLLS@ (cd library/lammpi; $(MAKE) install)
 	@INSTALL_DLLS@ (cd library/matrix; $(MAKE) install)
+	@INSTALL_DLLS@ (cd library/RDF; $(MAKE) install)
 	@INSTALL_DLLS@ (cd packages/semweb; $(MAKE) install)
 	@INSTALL_MATLAB@ (cd library/matlab; $(MAKE) install)
 	@ENABLE_JPL@ @INSTALL_DLLS@ (cd packages/jpl; $(MAKE))