diff --git a/repos/libports/lib/mk/libc-net.mk b/repos/libports/lib/mk/libc-net.mk
index 2ad66c89fe..87a9537805 100644
--- a/repos/libports/lib/mk/libc-net.mk
+++ b/repos/libports/lib/mk/libc-net.mk
@@ -33,3 +33,18 @@ INC_DIR += $(LIBC_PORT_DIR)/include/libc/sys
 INC_DIR += $(LIBC_DIR)/lib/libc/resolv
 
 vpath %.c $(LIBC_NET_DIR)
+
+nslexer.o: nsparser.c nsparser.c
+
+nslexer.c: nslexer.l
+	$(MSG_CONVERT)$(notdir $@)
+	$(VERBOSE)flex -P_nsyy -t $< | sed -e '/YY_BUF_SIZE/s/16384/1024/' > $@
+
+vpath nslexer.l $(LIBC_NET_DIR)
+
+nsparser.c: nsparser.y
+	$(MSG_CONVERT)$(notdir $@)
+	$(VERBOSE)bison -d -p_nsyy $< \
+		--defines=$(LIBC_PORT_DIR)/src/lib/libc/lib/libc/net/nsparser.h --output=$@
+
+vpath nsparser.y $(LIBC_NET_DIR)
diff --git a/repos/libports/ports/libc.hash b/repos/libports/ports/libc.hash
index 2e435f8154..5b9e83e522 100644
--- a/repos/libports/ports/libc.hash
+++ b/repos/libports/ports/libc.hash
@@ -1 +1 @@
-0885f819fb527fb3930cf56b7bc118f364c6f074
+cefebffc6e8f129acb24de192373731461abe2f6
diff --git a/repos/libports/ports/libc.port b/repos/libports/ports/libc.port
index 8363990de2..6c2cbb0957 100644
--- a/repos/libports/ports/libc.port
+++ b/repos/libports/ports/libc.port
@@ -197,23 +197,6 @@ DIR_CONTENT(include/libc-arm/machine) := \
 # Rules for generating files
 #
 
-generated_files += src/lib/libc/lib/libc/net/nslexer.c
-
-src/lib/libc/lib/libc/net/nslexer.l : $(DOWNLOADS)
-
-src/lib/libc/lib/libc/net/nslexer.c: src/lib/libc/lib/libc/net/nslexer.l
-	@$(MSG_GENERATE)$(notdir $@)
-	$(VERBOSE)flex -P_nsyy -t $< | sed -e '/YY_BUF_SIZE/s/16384/1024/' > $@
-
-generated_files += src/lib/libc/lib/libc/net/nsparser.c
-
-src/lib/libc/lib/libc/net/nsparser.y : $(DOWNLOADS)
-
-src/lib/libc/lib/libc/net/nsparser.c: src/lib/libc/lib/libc/net/nsparser.y
-	@$(MSG_GENERATE)$(notdir $@)
-	$(VERBOSE)bison -d -p_nsyy $< \
-		--defines=src/lib/libc/lib/libc/net/nsparser.h --output=$@
-
 src/lib/libc/include/rpcsvc/nis.h: src/lib/libc/include/rpcsvc/nis_object.x
 	@$(MSG_GENERATE)$(notdir $@)
 	$(VERBOSE)rpcgen -C -h -DWANT_NFS3 $< -o $@
@@ -224,7 +207,7 @@ src/lib/libc/include/rpcsvc/nis_object.x : $(DOWNLOADS)
 	@$(MSG_GENERATE)$(notdir $@)
 	$(VERBOSE)rpcgen -C -h -DWANT_NFS3 $< -o $@
 
-generated_files += \
+generated_rpcsvc_files := \
     $(addprefix src/lib/libc/include/rpcsvc/,\
                 bootparam_prot.h nfs_prot.h nlm_prot.h rstat.h ypupdate_prot.h \
                 crypt.h nis_cache.h pmap_prot.h rwall.h yp.h \
@@ -233,6 +216,12 @@ generated_files += \
                 mount.h nis.h rquota.h yppasswd.h) \
     src/lib/libc/include/rpc/rpcb_prot.h
 
+$(generated_rpcsvc_files:.h=.x): $(DOWNLOADS)
+
+$(generated_rpcsvc_files) : $(generated_rpcsvc_files:.h=.x)
+
+generated_files += $(generated_rpcsvc_files)
+
 # generate files before assembling the public include directory tree
 _dirs: $(generated_files)
 $(generated_files) : $(DOWNLOADS)