diff --git a/teek_client_api.h b/teek_client_api.h
index 355b7ab4152638c51271f1e3bca96778bb5d9307..cfa71313fc29d83c9b989e4766a26934c0e64e66 100644
--- a/teek_client_api.h
+++ b/teek_client_api.h
@@ -19,6 +19,7 @@
 #ifndef TEEK_CLIENT_API_H
 #define TEEK_CLIENT_API_H
 #include "teek_client_type.h"
+#include "teek_ns_client.h"
 
 #define TEEC_PARAM_TYPES(param0_type, param1_type, param2_type, param3_type) \
 		((param3_type) << 12 | (param2_type) << 8 | \