diff --git a/src/structs.h b/src/structs.h
index e4d58f1..0d6e497 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -203,6 +203,11 @@
 #endif
     int		wo_wrap;
 #define w_p_wrap w_onebuf_opt.wo_wrap	/* 'wrap' */
+
+#ifdef FEAT_EVAL
+    int		wo_scriptID[WV_COUNT];	/* SIDs for window-local options */
+# define w_p_scriptID w_onebuf_opt.wo_scriptID
+#endif
 } winopt_T;
 
 /*
@@ -1283,6 +1288,10 @@
      */
     int		b_p_initialized;	/* set when options initialized */
 
+#ifdef FEAT_EVAL
+    int		b_p_scriptID[BV_COUNT];	/* SIDs for buffer-local options */
+#endif
+
     int		b_p_ai;		/* 'autoindent' */
     int		b_p_ai_nopaste;	/* b_p_ai saved for paste mode */
     int		b_p_ci;		/* 'copyindent' */