diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
index 4d95f83..503895e 100644
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -6764,8 +6764,10 @@
 	    case NFA_MARK_GT:
 	    case NFA_MARK_LT:
 	      {
-		size_t	col = rex.input - rex.line;
-		pos_T	*pos = getmark_buf(rex.reg_buf, t->state->val, FALSE);
+		pos_T	*pos;
+		size_t	col = REG_MULTI ? rex.input - rex.line : 0;
+
+		pos = getmark_buf(rex.reg_buf, t->state->val, FALSE);
 
 		// Line may have been freed, get it again.
 		if (REG_MULTI)