diff --git a/tests/edu/caltech/cs2/project01/CaesarCipherSolverTests.java b/tests/edu/caltech/cs2/project01/CaesarCipherSolverTests.java
index 1445cd1342952c1c578227e540fafce67f840e8f..dd64b5136eedf2e9c1985e5e46d7ce08c99e8a6d 100644
--- a/tests/edu/caltech/cs2/project01/CaesarCipherSolverTests.java
+++ b/tests/edu/caltech/cs2/project01/CaesarCipherSolverTests.java
@@ -93,7 +93,7 @@ class CaesarCipherSolverTests {
     @ValueSource(strings = { "", "HI", "HI THERE", "A B C D E F GGG", "TRUTH IS NOT A DEMOCRACY", DECLARATION})
     public void testSplitBySpaces(String toSplit) {
         List<String> list = CaesarCipherSolver.splitBySpaces(toSplit);
-        assertEquals(toSplit.trim(), String.join(" ", list));
+        assertIterableEquals(Arrays.asList(toSplit.trim().split(" ")), list);
     }
 
     @Order(8)