diff --git a/src/test/java/MatrixGrayImageTest.java b/src/test/java/MatrixGrayImageTest.java
index ae8e26e2ce98a452e510027b3aa8e63ba711bb1e..0664e25844ec0df36fef9024d04ea814c08f741e 100644
--- a/src/test/java/MatrixGrayImageTest.java
+++ b/src/test/java/MatrixGrayImageTest.java
@@ -16,8 +16,8 @@ class MatrixGrayImageTest {
 
     @Test
     void getHeight() {
-        assertThat(new MatrixGrayImage(0,0).getWidth(), is(equalTo(0)));
-        assertThat(new MatrixGrayImage(10,20).getWidth(), is(equalTo(20)));
-        assertThat(new MatrixGrayImage(400,300).getWidth(), is(equalTo(300)));
+        assertThat(new MatrixGrayImage(0,0).getHeight(), is(equalTo(0)));
+        assertThat(new MatrixGrayImage(10,20).getHeight(), is(equalTo(20)));
+        assertThat(new MatrixGrayImage(400,300).getHeight(), is(equalTo(300)));
     }
 }
\ No newline at end of file