diff --git a/src/libregexp/rregexec.c b/src/libregexp/rregexec.c
index ec7907d..16d95e6 100644
--- a/src/libregexp/rregexec.c
+++ b/src/libregexp/rregexec.c
@@ -125,7 +125,7 @@
 					break;
 				case OR:
 					/* evaluate right choice later */
-					if(_renewthread(tl, inst->u1.right, ms, &tlp->se) == tle)
+					if(_renewthread(tlp, inst->u1.right, ms, &tlp->se) == tle)
 						return -1;
 					/* efficiency: advance and re-evaluate */
 					continue;