diff --git a/jib-gradle-plugin/src/test/java/com/google/cloud/tools/jib/gradle/JibExtensionTest.java b/jib-gradle-plugin/src/test/java/com/google/cloud/tools/jib/gradle/JibExtensionTest.java
index a46bd68c43..c9d73e6963 100644
--- a/jib-gradle-plugin/src/test/java/com/google/cloud/tools/jib/gradle/JibExtensionTest.java
+++ b/jib-gradle-plugin/src/test/java/com/google/cloud/tools/jib/gradle/JibExtensionTest.java
@@ -520,12 +520,11 @@ public void testProperties() {
     assertThat(testJibExtension.getContainerizingMode()).isEqualTo("packaged");
 
     System.setProperty("jib.extraDirectories.paths", "/foo,/bar/baz");
-    Path root = fakeProject.getRootDir().toPath();
     assertThat(testJibExtension.getExtraDirectories().getPaths()).hasSize(2);
     assertThat(testJibExtension.getExtraDirectories().getPaths().get(0).getFrom())
-        .isEqualTo(root.resolve("/foo").toAbsolutePath());
+        .isEqualTo(fakeProject.getProjectDir().toPath().resolve("foo"));
     assertThat(testJibExtension.getExtraDirectories().getPaths().get(1).getFrom())
-        .isEqualTo(Paths.get("/bar/baz").toAbsolutePath());
+        .isEqualTo(fakeProject.getProjectDir().toPath().resolve("bar/baz"));
     System.setProperty("jib.extraDirectories.permissions", "/foo/bar=707,/baz=456");
     assertThat(testJibExtension.getExtraDirectories().getPermissions().get())
         .containsExactly("/foo/bar", "707", "/baz", "456")