diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index e005c3c674..2929eb32a0 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -2393,7 +2393,7 @@ void FBehavior::LoadScriptsDirectory ()
 		int size = LittleLong(scripts.dw[1]);
 		if (size >= 6)
 		{
-			int script_num = LittleShort(scripts.w[4]);
+			int script_num = LittleShort(scripts.sw[4]);
 			ScriptPtr *ptr = const_cast<ScriptPtr *>(FindScript(script_num));
 			if (ptr != NULL)
 			{