diff --git a/tests/compute/test_manager.py b/tests/compute/test_manager.py
index 556072db..cd9f094b 100644
--- a/tests/compute/test_manager.py
+++ b/tests/compute/test_manager.py
@@ -239,12 +239,12 @@ async def test_list_images(qemu, tmpdir):
     os.makedirs(tmp_images_dir, exist_ok=True)
     for image in fake_images:
         with open(os.path.join(tmp_images_dir, image), "w+") as f:
-            f.write("1")
+            f.write("1234567")
 
     with patch("gns3server.utils.images.default_images_directory", return_value=str(tmp_images_dir)):
         assert sorted(await qemu.list_images(), key=lambda k: k['filename']) == [
-            {"filename": "a.qcow2", "path": "a.qcow2", "md5sum": "c4ca4238a0b923820dcc509a6f75849b", "filesize": 1},
-            {"filename": "b.qcow2", "path": "b.qcow2", "md5sum": "c4ca4238a0b923820dcc509a6f75849b", "filesize": 1}
+            {"filename": "a.qcow2", "path": "a.qcow2", "md5sum": "fcea920f7412b5da7be0cf42b8c93759", "filesize": 7},
+            {"filename": "b.qcow2", "path": "b.qcow2", "md5sum": "fcea920f7412b5da7be0cf42b8c93759", "filesize": 7}
         ]
 
 
@@ -255,19 +255,19 @@ async def test_list_images_recursives(qemu, tmpdir):
     fake_images = ["a.qcow2", "b.qcow2", ".blu.qcow2", "a.qcow2.md5sum"]
     for image in fake_images:
         with open(os.path.join(tmp_images_dir, image), "w+") as f:
-            f.write("1")
+            f.write("1234567")
     os.makedirs(os.path.join(tmp_images_dir, "c"))
     fake_images = ["c.qcow2", "c.qcow2.md5sum"]
     for image in fake_images:
         with open(os.path.join(tmp_images_dir, "c", image), "w+") as f:
-            f.write("1")
+            f.write("1234567")
 
     with patch("gns3server.utils.images.default_images_directory", return_value=str(tmp_images_dir)):
 
         assert sorted(await qemu.list_images(), key=lambda k: k['filename']) == [
-            {"filename": "a.qcow2", "path": "a.qcow2", "md5sum": "c4ca4238a0b923820dcc509a6f75849b", "filesize": 1},
-            {"filename": "b.qcow2", "path": "b.qcow2", "md5sum": "c4ca4238a0b923820dcc509a6f75849b", "filesize": 1},
-            {"filename": "c.qcow2", "path": force_unix_path(os.path.sep.join(["c", "c.qcow2"])), "md5sum": "c4ca4238a0b923820dcc509a6f75849b", "filesize": 1}
+            {"filename": "a.qcow2", "path": "a.qcow2", "md5sum": "fcea920f7412b5da7be0cf42b8c93759", "filesize": 7},
+            {"filename": "b.qcow2", "path": "b.qcow2", "md5sum": "fcea920f7412b5da7be0cf42b8c93759", "filesize": 7},
+            {"filename": "c.qcow2", "path": force_unix_path(os.path.sep.join(["c", "c.qcow2"])), "md5sum": "fcea920f7412b5da7be0cf42b8c93759", "filesize": 7}
         ]
 
 
diff --git a/tests/handlers/api/compute/test_dynamips.py b/tests/handlers/api/compute/test_dynamips.py
index 1e0871d3..2831b6e7 100644
--- a/tests/handlers/api/compute/test_dynamips.py
+++ b/tests/handlers/api/compute/test_dynamips.py
@@ -144,7 +144,7 @@ def fake_image(tmpdir):
 
     path = str(tmpdir / "7200.bin")
     with open(path, "wb+") as f:
-        f.write(b'\x7fELF\x01\x01\x01')
+        f.write(b'\x7fELF\x01\x02\x01')
     os.chmod(path, stat.S_IREAD)
     return path
 
@@ -168,7 +168,7 @@ async def test_images(compute_api, tmpdir, fake_image, fake_file):
     assert response.json == [{"filename": "7200.bin",
                               "path": "7200.bin",
                               "filesize": 7,
-                              "md5sum": "e573e8f5c93c6c00783f20c7a170aa6c"
+                              "md5sum": "b0d5aa897d937aced5a6b1046e8f7e2e"
                               }]
 
 
diff --git a/tests/handlers/api/compute/test_qemu.py b/tests/handlers/api/compute/test_qemu.py
index 752ff9a0..08861af6 100644
--- a/tests/handlers/api/compute/test_qemu.py
+++ b/tests/handlers/api/compute/test_qemu.py
@@ -45,7 +45,7 @@ def fake_qemu_vm(images_dir):
     img_dir = os.path.join(images_dir, "QEMU")
     bin_path = os.path.join(img_dir, "linux载.img")
     with open(bin_path, "w+") as f:
-        f.write("1")
+        f.write("1234567")
     os.chmod(bin_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
     return bin_path
 
@@ -101,7 +101,7 @@ async def test_qemu_create_with_params(compute_api, compute_project, base_params
     assert response.json["project_id"] == compute_project.id
     assert response.json["ram"] == 1024
     assert response.json["hda_disk_image"] == "linux载.img"
-    assert response.json["hda_disk_image_md5sum"] == "c4ca4238a0b923820dcc509a6f75849b"
+    assert response.json["hda_disk_image_md5sum"] == "fcea920f7412b5da7be0cf42b8c93759"
 
 
 @pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
@@ -279,7 +279,7 @@ async def test_images(compute_api, fake_qemu_vm):
 
     response = await compute_api.get("/qemu/images")
     assert response.status == 200
-    assert {"filename": "linux载.img", "path": "linux载.img", "md5sum": "c4ca4238a0b923820dcc509a6f75849b", "filesize": 1} in response.json
+    assert {"filename": "linux载.img", "path": "linux载.img", "md5sum": "fcea920f7412b5da7be0cf42b8c93759", "filesize": 7} in response.json
 
 
 @pytest.mark.skipif(sys.platform.startswith("win"), reason="Does not work on Windows")