diff --git a/src/object.c b/src/object.c
index 81a3fbb..0d359ad 100644
--- a/src/object.c
+++ b/src/object.c
@@ -52,6 +52,7 @@ Object *itemAt(const Object *listObj, int n)
         if(n-- == 0)
             return POINTER;
     }
+    return NULL;
 }
 
 /**
@@ -130,7 +131,7 @@ void allocObject(Object **spot, const Object src)
 
  * @warning UNTESTED
  */
-void insertIntoList(Object *dest, unsigned ind, const Object src)
+void insertIntoList(Object *dest, int ind, const Object src)
 {
     if(!dest || dest->type != TYPE_LIST)
         return;
diff --git a/src/object.h b/src/object.h
index afb70cb..cd9c5fb 100644
--- a/src/object.h
+++ b/src/object.h
@@ -101,7 +101,7 @@ int getType(const Object *obj);
 
 int isEmpty(const Object *obj);
 Object *tail(const Object *listObj);
-void insertIntoList(Object *dest, unsigned ind, const Object src);
+void insertIntoList(Object *dest, int ind, const Object src);
 void replaceListing(Object *list, int i, const Object src);
 void nf_addToList(Object *dest, Object src);
 void deleteList(Object *dest);