--- ./plugins/sudoers/Makefile.in.orig
+++ ./plugins/sudoers/Makefile.in
@@ -49,7 +49,7 @@
 LT_LIBS = $(top_builddir)/common/libsudo_util.la $(LIBOBJDIR)libreplace.la
 LIBS = $(LT_LIBS) @LIBINTL@
 NET_LIBS = @NET_LIBS@
-SUDOERS_LIBS = @SUDOERS_LIBS@ @AFS_LIBS@ @GETGROUPS_LIB@ $(LIBS) $(NET_LIBS) @ZLIB@ @LIBDL@
+SUDOERS_LIBS = @SUDOERS_LIBS@ @AFS_LIBS@ @GETGROUPS_LIB@ $(LIBS) $(NET_LIBS) @ZLIB@ @LIBDL@ -lcrypt
 REPLAY_LIBS = @REPLAY_LIBS@ @ZLIB@
 
 # C preprocessor flags