diff --git a/cpukit/sapi/include/confdefs.h b/cpukit/sapi/include/confdefs.h
index 7e911035ca..cddfccb80b 100644
--- a/cpukit/sapi/include/confdefs.h
+++ b/cpukit/sapi/include/confdefs.h
@@ -1605,7 +1605,8 @@ rtems_fs_init_functions_t    rtems_fs_init_helper =
 #endif
 #include <rtems/libcsupport.h>
 
-#if defined(CONFIGURE_INITIAL_EXTENSIONS) || \
+#if defined(BSP_INITIAL_EXTENSION) || \
+    defined(CONFIGURE_INITIAL_EXTENSIONS) || \
     defined(CONFIGURE_STACK_CHECKER_ENABLED) || \
     (defined(RTEMS_NEWLIB) && !defined(CONFIGURE_DISABLE_NEWLIB_REENTRANCY))
   static const rtems_extensions_table Configuration_Initial_Extensions[] = {
@@ -1618,6 +1619,9 @@ rtems_fs_init_functions_t    rtems_fs_init_helper =
     #if defined(CONFIGURE_INITIAL_EXTENSIONS)
       CONFIGURE_INITIAL_EXTENSIONS,
     #endif
+    #if defined(BSP_INITIAL_EXTENSION)
+      BSP_INITIAL_EXTENSION
+    #endif
   };
 
   #define CONFIGURE_INITIAL_EXTENSION_TABLE Configuration_Initial_Extensions