diff --git a/plat/Makefile b/plat/Makefile
index 8d8eebf..52aae0d 100644
--- a/plat/Makefile
+++ b/plat/Makefile
@@ -1,7 +1,7 @@
 # Makefile for platform of EMS
 
 PLATDIR = $(shell pwd)
-BINDIR  = $(PLATDIR)../bin
+BINDIR  = $(PLATDIR)/../bin
 PLATMODULELIST = 8ecp aif bicc debug haepub iptrans isdn isup m2ua mgc mgcp mgc_v2 mtp3 pal public rtp sccp scf sip smpp snmp tcap xapp
 
 .PHONY: all $(PLATMODULELIST) clean