diff --git a/bacnet-stack/demo/object/bo.h b/bacnet-stack/demo/object/bo.h
index 52ebde43..3b0cf2e9 100644
--- a/bacnet-stack/demo/object/bo.h
+++ b/bacnet-stack/demo/object/bo.h
@@ -117,14 +117,17 @@ extern "C" {
     void Binary_Output_Change_Of_Value_Clear(
         uint32_t instance);
 
+    int Binary_Output_Read_Property(
+        BACNET_READ_PROPERTY_DATA * rpdata);
+    bool Binary_Output_Write_Property(
+        BACNET_WRITE_PROPERTY_DATA * wp_data);
+
     bool Binary_Output_Create(
         uint32_t object_instance);
     bool Binary_Output_Delete(
         uint32_t object_instance);
     void Binary_Output_Cleanup(
         void);
-    bool Binary_Output_Write_Property(
-        BACNET_WRITE_PROPERTY_DATA * wp_data);
 
 #ifdef TEST
 #include "ctest.h"