diff --git a/src/xpath.c b/src/xpath.c
index f2e7fe6..7038e40 100644
--- a/src/xpath.c
+++ b/src/xpath.c
@@ -726,7 +726,7 @@
     set->size = 0;
     set->ht = NULL;
     set->ctx_pos = 0;
-    set->ctx_pos = 0;
+    set->ctx_size = 0;
 }
 
 /**