diff --git a/tests/integration/study_data_blueprint/test_link.py b/tests/integration/study_data_blueprint/test_link.py
index 28b8f3da2a..61626f32b1 100644
--- a/tests/integration/study_data_blueprint/test_link.py
+++ b/tests/integration/study_data_blueprint/test_link.py
@@ -29,7 +29,7 @@ def test_link_update(self, client: TestClient, user_access_token: str, study_typ
 
         area1_id = preparer.create_area(study_id, name="Area 1")["id"]
         area2_id = preparer.create_area(study_id, name="Area 2")["id"]
-        client.post(f"/v1/studies/{study_id}/links", json={"area1": area1_id, "area2": area2_id, "hurdlesCost": True})
+        client.post(f"/v1/studies/{study_id}/links", json={"area1": area1_id, "area2": area2_id, "hurdlesCost": True, "comments": "comment"})
         res = client.put(
             f"/v1/studies/{study_id}/links/{area1_id}/{area2_id}",
             json={"colorr": 150},
@@ -44,7 +44,7 @@ def test_link_update(self, client: TestClient, user_access_token: str, study_typ
             "colorg": 112,
             "colorr": 150,
             "displayComments": True,
-            "comments": "",
+            "comments": "comment",
             "filterSynthesis": "hourly, daily, weekly, monthly, annual",
             "filterYearByYear": "hourly, daily, weekly, monthly, annual",
             "hurdlesCost": True,
@@ -84,7 +84,7 @@ def test_link_update(self, client: TestClient, user_access_token: str, study_typ
             "colorg": 112,
             "colorr": 150,
             "displayComments": True,
-            "comments": "",
+            "comments": "comment",
             "filterSynthesis": "hourly, daily, weekly, monthly, annual",
             "filterYearByYear": "hourly, daily, weekly, monthly, annual",
             "hurdlesCost": False,
@@ -192,7 +192,7 @@ def test_link_820(self, client: TestClient, user_access_token: str, study_type:
             "colorg": 170,
             "colorr": 180,
             "displayComments": True,
-            "comments": "",
+            "comments": "comment",
             "filterSynthesis": "hourly, daily, weekly, monthly, annual",
             "filterYearByYear": "hourly, daily, weekly, monthly, annual",
             "hurdlesCost": False,