diff --git a/Tests/HelpersUtilsTest.cs b/Tests/HelpersUtilsTest.cs
index a775177..80465e0 100644
--- a/Tests/HelpersUtilsTest.cs
+++ b/Tests/HelpersUtilsTest.cs
@@ -41,6 +41,8 @@ namespace Tests {
             Assert.AreEqual(21948, Utils.DecToDb(219.48M, 2));
             Assert.AreEqual(-12345, Utils.DecToDb(-1.2345M, 4));
             Assert.AreEqual(99190, Utils.DecToDb(99190, 0));
+            Assert.AreEqual(817910, Utils.DecToDb(817.9099M, 3));
+            Assert.AreEqual(-561894, Utils.DecToDb(-5618.944M, 2));
         }
     }
-}
\ No newline at end of file
+}