diff --git a/makefile b/makefile
index 4aa1aa8a..6cf3f7b8 100644
--- a/makefile
+++ b/makefile
@@ -126,7 +126,7 @@ ifneq (,$(findstring pdp7,${MAKECMDGOALS}))
   VIDEO_USEFUL = true
 endif
 # building the pdp11, pdp10, or any vax simulator could use networking support
-ifneq (,$(or $(findstring pdp11,${MAKECMDGOALS}),$(findstring pdp10,${MAKECMDGOALS}),$(findstring vax,${MAKECMDGOALS}),$(findstring 3b2,${MAKECMDGOALS})$(findstring all,${MAKECMDGOALS})))
+ifneq (,$(or $(findstring pdp11,${MAKECMDGOALS}),$(findstring pdp10,${MAKECMDGOALS}),$(findstring vax,${MAKECMDGOALS}),$(findstring infoserver,${MAKECMDGOALS}),$(findstring 3b2,${MAKECMDGOALS})$(findstring all,${MAKECMDGOALS})))
   NETWORK_USEFUL = true
   ifneq (,$(findstring all,${MAKECMDGOALS}))
     BUILD_MULTIPLE = s