diff --git a/src/option.c b/src/option.c
index cfdeb44..ab9ee66 100644
--- a/src/option.c
+++ b/src/option.c
@@ -6400,6 +6400,9 @@
 	    clear_string_option(&buf->b_p_cot);
 	    buf->b_cot_flags = 0;
 	    break;
+	case PV_ISE:
+	    clear_string_option(&buf->b_p_ise);
+	    break;
 	case PV_DICT:
 	    clear_string_option(&buf->b_p_dict);
 	    break;
@@ -6518,6 +6521,7 @@
 	    case PV_INC:  return (char_u *)&(curbuf->b_p_inc);
 #endif
 	    case PV_COT:  return (char_u *)&(curbuf->b_p_cot);
+	    case PV_ISE:  return (char_u *)&(curbuf->b_p_ise);
 	    case PV_DICT: return (char_u *)&(curbuf->b_p_dict);
 	    case PV_TSR:  return (char_u *)&(curbuf->b_p_tsr);
 #ifdef FEAT_COMPL_FUNC
@@ -6600,6 +6604,8 @@
 #endif
 	case PV_COT:	return *curbuf->b_p_cot != NUL
 				    ? (char_u *)&(curbuf->b_p_cot) : p->var;
+	case PV_ISE:	return *curbuf->b_p_ise != NUL
+				    ? (char_u *)&(curbuf->b_p_ise) : p->var;
 	case PV_DICT:	return *curbuf->b_p_dict != NUL
 				    ? (char_u *)&(curbuf->b_p_dict) : p->var;
 	case PV_TSR:	return *curbuf->b_p_tsr != NUL
@@ -7431,6 +7437,7 @@
 	    buf->b_cot_flags = 0;
 	    buf->b_p_dict = empty_option;
 	    buf->b_p_tsr = empty_option;
+	    buf->b_p_ise = empty_option;
 #ifdef FEAT_COMPL_FUNC
 	    buf->b_p_tsrfu = empty_option;
 #endif