diff --git a/src/eval.c b/src/eval.c
index fc01006..0f306d4 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -7075,7 +7075,7 @@
 }
 
 /*
- * Add a list  entry to dictionary "d".
+ * Add a list entry to dictionary "d".
  * Returns FAIL when out of memory and when key already exists.
  */
     int
@@ -7097,6 +7097,7 @@
 	dictitem_free(item);
 	return FAIL;
     }
+    ++list->lv_refcount;
     return OK;
 }