diff --git a/src/sbbs3/Makefile.gnu b/src/sbbs3/Makefile.gnu
index f3c5d62862d591a79aeeb669c5e4eeaf5ca08b70..2383a888993ac34f47c9c3b6177701386a72be23 100644
--- a/src/sbbs3/Makefile.gnu
+++ b/src/sbbs3/Makefile.gnu
@@ -43,7 +43,7 @@ CFLAGS	:=
 LFLAGS  :=	
 DELETE	=	rm -f -v
 OUTLIB	=	-o
-LIBS	=	$(LIBDIR)/libc.a
+LIBS	=	$(LIBDIR)/libc.a $(LIBDIR)/libpthread.a
 
 endif