diff --git a/test/unit/util_math.js b/test/unit/util_math.js
index 013261b0d..d29f7c47a 100644
--- a/test/unit/util_math.js
+++ b/test/unit/util_math.js
@@ -58,10 +58,10 @@ test('inclusiveRandIntWithout', t => {
         return result;
     };
 
-    t.strictEqual(withRandomValue(3 / 5, 0, 6, 2), 4);
-    t.strictEqual(withRandomValue(2 / 5, 0, 6, 2), 3);
-    t.strictEqual(withRandomValue(1 / 5, 0, 6, 2), 1);
-    t.strictEqual(withRandomValue(1.9 / 5, 0, 6, 2), 1);
+    t.strictEqual(withRandomValue(3 / 6, 0, 6, 2), 4);
+    t.strictEqual(withRandomValue(2 / 6, 0, 6, 2), 3);
+    t.strictEqual(withRandomValue(1 / 6, 0, 6, 2), 1);
+    t.strictEqual(withRandomValue(1.9 / 6, 0, 6, 2), 1);
 
     t.strictEqual(withRandomValue(3 / 4, 10, 14, 10), 13);
     t.strictEqual(withRandomValue(0 / 4, 10, 14, 10), 11);