diff --git a/library/core-utils/src/test/java/im/vector/lib/core/utils/timer/SpecialRoundTest.kt b/library/core-utils/src/test/java/im/vector/lib/core/utils/timer/SpecialRoundTest.kt
index 73be5aab8b..c41557ee2f 100644
--- a/library/core-utils/src/test/java/im/vector/lib/core/utils/timer/SpecialRoundTest.kt
+++ b/library/core-utils/src/test/java/im/vector/lib/core/utils/timer/SpecialRoundTest.kt
@@ -31,6 +31,7 @@ class SpecialRoundTest {
         sut.round(1000) shouldBeEqualTo 1_000
         sut.round(1001) shouldBeEqualTo 1_000
         sut.round(1499) shouldBeEqualTo 1_500
+        sut.round(1500) shouldBeEqualTo 1_500
         sut.round(1501) shouldBeEqualTo 1_500
     }
 
@@ -45,6 +46,7 @@ class SpecialRoundTest {
         sut.round(1000) shouldBeEqualTo 1_000
         sut.round(1001) shouldBeEqualTo 1_000
         sut.round(1499) shouldBeEqualTo 1_000
+        sut.round(1500) shouldBeEqualTo 2_000
         sut.round(1501) shouldBeEqualTo 2_000
     }
 }