diff --git a/config/RULES.Host b/config/RULES.Host
index d69064697..ccf3b0146 100644
--- a/config/RULES.Host
+++ b/config/RULES.Host
@@ -562,6 +562,13 @@ depends:: $(LIBSRCS) $(SRCS) $(COND_PROD_SRCS)
 	@$(RM) $@
 	$(RCCMD)
 
+
+# WIN95/NT source browser
+%.bsc: %.sbr
+	@echo "building source browser archive $@"
+	$(RM) $@
+	$(BAFCMD) $<
+
 #
 # rename the y.tab.h file only if we
 # are creating it