diff --git a/Platform/build/user.openrpc.Makefile b/Platform/build/user.openrpc.Makefile
index 6658ff0e2..d263aec20 100755
--- a/Platform/build/user.openrpc.Makefile
+++ b/Platform/build/user.openrpc.Makefile
@@ -34,7 +34,7 @@ PLAT_LINUX_SRCS = $(COMMON_SRCS)
 PLAT_ARM64_SRCS = $(COMMON_SRCS)
 
 # gcc CFLAGS
-PLAT_ARM64_CFLAGS := -fPIC -I../../Common -I../common/rpc 
+PLAT_ARM64_CFLAGS := -fPIC -I../../Common -I../common/rpc -I../common/rpc/hashtable
 PLAT_LINUX_CFLAGS := $(PLAT_ARM64_CFLAGS)