diff --git a/exercises/sum-of-multiples/src/example.clj b/exercises/sum-of-multiples/src/example.clj
index 1f847c01d..c9996584c 100644
--- a/exercises/sum-of-multiples/src/example.clj
+++ b/exercises/sum-of-multiples/src/example.clj
@@ -4,8 +4,6 @@
   ([n]   (fn [d] (divides? n d)))
   ([n d] (zero? (rem n d))))
 
-(defn sum-of-multiples
-  ([n] (sum-of-multiples [3 5] n))
-  ([multiples n]
-   (reduce (fn [sum x] (cond-> sum (some (divides? x) multiples) (+ x)))
-           0 (range 1 n))))
+(defn sum-of-multiples [multiples n]
+  (reduce (fn [sum x] (cond-> sum (some (divides? x) multiples) (+ x)))
+	  0 (range 1 n)))
diff --git a/exercises/sum-of-multiples/test/sum_of_multiples_test.clj b/exercises/sum-of-multiples/test/sum_of_multiples_test.clj
index 9343db15e..d0e8d68c3 100644
--- a/exercises/sum-of-multiples/test/sum_of_multiples_test.clj
+++ b/exercises/sum-of-multiples/test/sum_of_multiples_test.clj
@@ -3,22 +3,37 @@
             sum-of-multiples))
 
 (deftest sum-to-1
-  (is (zero? (sum-of-multiples/sum-of-multiples 1))))
+  (is (zero? (sum-of-multiples/sum-of-multiples '(3 5) 1))))
 
-(deftest sum-to-3
-  (is (= 3 (sum-of-multiples/sum-of-multiples 4))))
+(deftest sum-to-4
+  (is (= 3 (sum-of-multiples/sum-of-multiples '(3 5) 4))))
 
 (deftest sum-to-10
-  (is (= 23 (sum-of-multiples/sum-of-multiples 10))))
+  (is (= 23 (sum-of-multiples/sum-of-multiples '(3 5) 10))))
 
 (deftest sum-to-100
-  (is (= 2318 (sum-of-multiples/sum-of-multiples 100))))
+  (is (= 2318 (sum-of-multiples/sum-of-multiples '(3 5) 100))))
 
 (deftest sum-to-1000
-  (is (= 233168 (sum-of-multiples/sum-of-multiples 1000))))
+  (is (= 233168 (sum-of-multiples/sum-of-multiples '(3 5) 1000))))
 
-(deftest sum-of-configurable-to-20
-  (is (= 51 (sum-of-multiples/sum-of-multiples [7 13 17] 20))))
+(deftest sum-to-20-using-7-13-17
+  (is (= 51 (sum-of-multiples/sum-of-multiples '(7 13 17) 20))))
 
-(deftest sum-of-configurable-to-10000
-  (is (= 2203160 (sum-of-multiples/sum-of-multiples [43 47] 10000))))
+(deftest sum-to-15-using-4-6
+  (is (= 30 (sum-of-multiples/sum-of-multiples '(4 6) 15))))
+
+(deftest sum-to-150-using-5-6-8
+  (is (= 4419 (sum-of-multiples/sum-of-multiples '(5 6 8) 150))))
+
+(deftest sum-to-51-using-5-25
+  (is (= 275 (sum-of-multiples/sum-of-multiples '(5 25) 51))))
+
+(deftest sum-to-10_000-using-43-47
+  (is (= 2203160 (sum-of-multiples/sum-of-multiples '(43 47) 10000))))
+
+(deftest sum-to-100-using-1
+  (is (= 4950 (sum-of-multiples/sum-of-multiples '(1) 100))))
+
+(deftest sum-to-10_000-using-empty
+  (is (zero? (sum-of-multiples/sum-of-multiples '() 10000))))