diff --git a/mss/pps/lib/.gitkeep b/mss/pps/lib/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/mss/pps/ut/.gitkeep b/mss/pps/ut/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/plat/diameter/makefile b/plat/diameter/makefile
index 20995f6..1169090 100644
--- a/plat/diameter/makefile
+++ b/plat/diameter/makefile
@@ -19,8 +19,8 @@ CFLAGS=-Wall -g -DDEBUG -DX86_64 -lm -lrt -ldl -lsctp -lgcrypt -lgnutls -lpthrea
 CC=gcc
 
 $(TGT):$(OBJS)
-	if [ ! -d ./lib ]; then mkdir ./lib; fi
-	$(AR) -rcs ./lib/libdiameter.a $(OBJS)
+	if [ ! -d $(TOPDIR)/lib ]; then mkdir $(TOPDIR)/lib; fi
+	$(AR) -rcs $(TOPDIR)/lib/libdiameter.a $(OBJS)
 
 $(OBJS):%.o:%.c
 	$(CC) $(CFLAGS) -c -o $@ $< $(INCDIR)