diff --git a/Makefile b/Makefile
index 3df07e3e88..5ebeb977d6 100644
--- a/Makefile
+++ b/Makefile
@@ -282,6 +282,9 @@ $(PRG_CFG): version.h codec-cfg.c codec-cfg.h
 install: $(ALL_PRG)
 ifeq ($(VIDIX),yes)
 	$(DO_MAKE)
+endif
+ifeq ($(SHARED_PP),yes)
+	$(MAKE) install -C libavcodec/libpostproc
 endif
 	if test ! -d $(BINDIR) ; then mkdir -p $(BINDIR) ; fi
 	$(INSTALL) -m 755 $(INSTALLSTRIP) $(PRG) $(BINDIR)/$(PRG)
diff --git a/configure b/configure
index a53c8d06fd..8d65993e09 100755
--- a/configure
+++ b/configure
@@ -6672,6 +6672,8 @@ DATADIR = \$(DESTDIR)$_datadir
 MANDIR = \$(DESTDIR)$_mandir
 CONFDIR = \$(DESTDIR)$_confdir
 LIBDIR = \$(DESTDIR)$_libdir
+# FFmpeg uses libdir instead of LIBDIR
+libdir = \$(LIBDIR)
 #AR = ar
 CC = $_cc
 HOST_CC = $_host_cc