diff --git a/SheepShaver/src/Unix/configure.in b/SheepShaver/src/Unix/configure.in
index 600c1a2a..78f4a717 100644
--- a/SheepShaver/src/Unix/configure.in
+++ b/SheepShaver/src/Unix/configure.in
@@ -39,8 +39,13 @@ if [[ "x$WANT_MON" = "xyes" ]]; then
     AC_DEFINE(ENABLE_MON)
     MONSRCS="$mon_srcdir/mon.cpp $mon_srcdir/mon_6502.cpp $mon_srcdir/mon_z80.cpp $mon_srcdir/mon_cmd.cpp $mon_srcdir/mon_lowmem.cpp $mon_srcdir/mon_disass.cpp $mon_srcdir/mon_ppc.cpp $mon_srcdir/disass/floatformat.c $mon_srcdir/disass/i386-dis.c $mon_srcdir/disass/m68k-dis.c $mon_srcdir/disass/m68k-opc.c"
     CXXFLAGS="$CXXFLAGS -I$mon_srcdir -I$mon_srcdir/disass"
+    AC_CHECK_LIB(ncurses, tgetent, ,
+      AC_CHECK_LIB(termcap, tgetent, ,
+        AC_CHECK_LIB(termlib, tgetent, ,
+          AC_CHECK_LIB(terminfo, tgetent, ,
+            AC_CHECK_LIB(Hcurses, tgetent, ,
+              AC_CHECK_LIB(curses, tgetent))))))
     AC_CHECK_LIB(readline, readline)
-    AC_CHECK_LIB(termcap, tputs)
     AC_CHECK_HEADERS(readline.h history.h readline/readline.h readline/history.h)
   else
     AC_MSG_RESULT(no)