diff --git a/utils/dosbox_shim/Makefile b/utils/dosbox_shim/Makefile
index cdab50f..2751161 100644
--- a/utils/dosbox_shim/Makefile
+++ b/utils/dosbox_shim/Makefile
@@ -33,7 +33,7 @@ endif
 ifeq ($(OS), SunOS)
   CC=gcc
   CFLAGS=
-  LDFLAGS=
+  LDFLAGS=-lsocket
 endif
 
 DEPS = main.c