diff --git a/openair2/COMMON/platform_types.h b/openair2/COMMON/platform_types.h
index d443c2d84f..a73ff60cb0 100755
--- a/openair2/COMMON/platform_types.h
+++ b/openair2/COMMON/platform_types.h
@@ -65,7 +65,8 @@ typedef uint32_t              frame_t;
 typedef int32_t               sframe_t;
 typedef uint32_t              sub_frame_t;
 typedef uint8_t               module_id_t;
-typedef int16_t                smodule_id_t;
+typedef uint16_t              ue_id_t;
+typedef int16_t               smodule_id_t;
 typedef uint16_t              rb_id_t;
 typedef uint16_t              srb_id_t;