diff --git a/tests/layer_tests/tensorflow_tests/test_tf_HSVToRGB.py b/tests/layer_tests/tensorflow_tests/test_tf_HSVToRGB.py
index 0960801f957..9f3ab9845fb 100644
--- a/tests/layer_tests/tensorflow_tests/test_tf_HSVToRGB.py
+++ b/tests/layer_tests/tensorflow_tests/test_tf_HSVToRGB.py
@@ -18,7 +18,7 @@ class TestHSVToRGB(CommonTFLayerTest):
         elif self.special_case == "Grayscale Image":
             images_shape = inputs_info['images:0']
             inputs_data = {}
-            inputs_data['images:0'] = np.ones(images_shape).astype(self.input_type) * np.random.rand()
+            inputs_data['images:0'] = np.broadcast_to([0, 0, 0.5], images_shape).astype(self.input_type)
         else:
             images_shape = inputs_info['images:0']
             inputs_data = {}