diff --git a/src/globals.h b/src/globals.h
index 6a73bc1..b40eb2a 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -285,9 +285,9 @@
 # ifdef FEAT_PROFILE
 EXTERN int	do_profiling INIT(= PROF_NONE);	// PROF_ values
 # endif
-EXTERN garray_T script_items INIT5(0, 0, sizeof(scriptitem_T), 4, NULL);
-# define SCRIPT_ITEM(id)    (((scriptitem_T *)script_items.ga_data)[(id) - 1])
-# define SCRIPT_SV(id)	    (SCRIPT_ITEM(id).sn_vars)
+EXTERN garray_T script_items INIT5(0, 0, sizeof(scriptitem_T *), 20, NULL);
+# define SCRIPT_ITEM(id)    (((scriptitem_T **)script_items.ga_data)[(id) - 1])
+# define SCRIPT_SV(id)	    (SCRIPT_ITEM(id)->sn_vars)
 # define SCRIPT_VARS(id)    (SCRIPT_SV(id)->sv_dict.dv_hashtab)
 
 # define FUNCLINE(fp, j)	((char_u **)(fp->uf_lines.ga_data))[j]