diff --git a/src/koans/maps.clj b/src/koans/maps.clj
index 9215453..9f62b06 100644
--- a/src/koans/maps.clj
+++ b/src/koans/maps.clj
@@ -24,7 +24,7 @@
   (= __ ({2006 "Torino" 2010 "Vancouver" 2014 "Sochi"} 2010))
 
   "You may not be able to find an entry for a key"
-  (= nil (get {:a 1 :b 2} :c))
+  (= __ (get {:a 1 :b 2} :c))
 
   "You can find out if a key is present"
   (= __ (contains? {:a nil :b nil} :b))
diff --git a/src/koans/vectors.clj b/src/koans/vectors.clj
index bcdedb3..38abcda 100644
--- a/src/koans/vectors.clj
+++ b/src/koans/vectors.clj
@@ -3,10 +3,10 @@
   (= __ (.size (vec nil)))
 
   "You can create a vector in two ways"
-  (= [] (vec nil))
+  (= __ (vec nil))
 
   "And populate it in either of these ways"
-  (= [1] (vec '(1)))
+  (= __ (vec '(1)))
 
   "But you can populate it with any number of elements at once"
   (= [1 __] (vec '(1 2)))
@@ -15,7 +15,7 @@
   (= __ (conj (vec nil) 333))
 
   "You can get the first element of a vector like so"
-  (= :peanut (first [:peanut :butter :and :jelly]))
+  (= __ (first [:peanut :butter :and :jelly]))
 
   "And the last in a similar fashion"
   (= __ (last [:peanut :butter :and :jelly]))