diff --git a/test/se/vidstige/jadb/test/unit/MockedTestCases.java b/test/se/vidstige/jadb/test/unit/MockedTestCases.java
index a529baf..e31405e 100644
--- a/test/se/vidstige/jadb/test/unit/MockedTestCases.java
+++ b/test/se/vidstige/jadb/test/unit/MockedTestCases.java
@@ -106,7 +106,7 @@ public class MockedTestCases {
     @Test
     public void testExecuteShellQuotesSpace() throws Exception {
         server.add("serial-123");
-        server.expectShell("serial-123", "ls 'space file'");
+        server.expectShell("serial-123", "ls 'space file'").returns("space file");
         JadbDevice device = connection.getDevices().get(0);
         device.executeShell("ls", "space file");
     }