diff --git a/jkube-kit/config/image/src/test/java/org/eclipse/jkube/kit/config/image/ImageNameTest.java b/jkube-kit/config/image/src/test/java/org/eclipse/jkube/kit/config/image/ImageNameTest.java
index a654647ad4..f78adae90c 100644
--- a/jkube-kit/config/image/src/test/java/org/eclipse/jkube/kit/config/image/ImageNameTest.java
+++ b/jkube-kit/config/image/src/test/java/org/eclipse/jkube/kit/config/image/ImageNameTest.java
@@ -126,6 +126,8 @@ void testIllegalFormat() {
     }
     @Test
     void shouldThrowExceptionOnTooLongImageName() {
+        assertThrows(IllegalArgumentException.class, () -> new ImageName(""));
+
         // New test for too long repository name
         String tooLongName = generateTooLongImageName();
         assertThatIllegalArgumentException()