diff --git a/1-js/4-data-structures/9-array-iteration/2-partial-sums-array/solution.md b/1-js/4-data-structures/9-array-iteration/2-partial-sums-array/solution.md
index 33a25c84..b5cce7bc 100644
--- a/1-js/4-data-structures/9-array-iteration/2-partial-sums-array/solution.md
+++ b/1-js/4-data-structures/9-array-iteration/2-partial-sums-array/solution.md
@@ -31,6 +31,7 @@ alert(getSums([1,2,3,4,5])); // результат: *!*1,3,6,10*/!*
 //+ run
 function getSums(arr) {
   var result = [];
+  if (!arr.length) return result;
 
   *!*var totalSum*/!* = arr.reduce(function(sum, item) {
     result.push(sum);