diff --git a/wscript b/wscript
index 8205d4f0f1..262cdd8b23 100644
--- a/wscript
+++ b/wscript
@@ -540,6 +540,7 @@ def configure(cfg):
     cfg.recurse('libraries/AP_Scripting')
 
     cfg.recurse('libraries/AP_GPS')
+    cfg.recurse('libraries/AP_HAL_SITL')
 
     cfg.start_msg('Scripting runtime checks')
     if cfg.options.scripting_checks: