diff --git a/src/tools/jam/Jamfile b/src/tools/jam/Jamfile
index 846f97b2b3..eb6c8350be 100644
--- a/src/tools/jam/Jamfile
+++ b/src/tools/jam/Jamfile
@@ -97,6 +97,11 @@ if $(VMS)
 	CCFLAGS += /define=VMS ;
 }
 
+# Need to link against -lnet
+if $(OS) = BEOS {
+	LINKLIBS += -lnet ;
+}
+
 #
 # The guts of the Jamfile: how to build Jam
 #
diff --git a/src/tools/jam/Makefile b/src/tools/jam/Makefile
index bf60c3b4f8..681e87876c 100644
--- a/src/tools/jam/Makefile
+++ b/src/tools/jam/Makefile
@@ -50,6 +50,9 @@ TARGET = -o $(EXENAME)
 # QNX rtp (neutrino)
 #CC = gcc
 
+# BeOS
+LINKLIBS = -lnet
+
 SOURCES = \
 	builtins.c \
 	command.c compile.c execunix.c execvms.c expand.c \