diff --git a/api/src/pcapi/routes/backoffice/chronicles/blueprint.py b/api/src/pcapi/routes/backoffice/chronicles/blueprint.py
index 2165071bbf8..7327ab6c27e 100644
--- a/api/src/pcapi/routes/backoffice/chronicles/blueprint.py
+++ b/api/src/pcapi/routes/backoffice/chronicles/blueprint.py
@@ -70,8 +70,9 @@ def list_chronicles() -> utils.BackofficeResponse:
         if form.search_type.data in (forms.SearchType.ALL.name, forms.SearchType.CHRONICLE_CONTENT.name):
             q_filters.append(
                 sa.and_(
-                    chronicles_models.Chronicle.__content_ts_vector__.match(w, postgresql_regconfig="french")
+                    chronicles_models.Chronicle.__content_ts_vector__.op("@@")(sa.func.plainto_tsquery("french", w))
                     for w in form.q.data.split(" ")
+                    if len(w) > 1
                 )
             )
         if form.search_type.data in (forms.SearchType.ALL.name, forms.SearchType.PRODUCT_NAME.name):
diff --git a/api/tests/routes/backoffice/chronicles_test.py b/api/tests/routes/backoffice/chronicles_test.py
index 0875f0e15eb..c4b69fc541d 100644
--- a/api/tests/routes/backoffice/chronicles_test.py
+++ b/api/tests/routes/backoffice/chronicles_test.py
@@ -91,6 +91,26 @@ def test_search_by_content(self, authenticated_client):
         assert len(rows) == 1
         assert rows[0]["ID"] == str(chronicle_to_find.id)
 
+    def test_search_by_content_with_colon(self, authenticated_client):
+        chronicle_to_find = chronicles_factories.ChronicleFactory(
+            content="Deux hommes, et même dix, peuvent bien en craindre un",
+        )
+        chronicles_factories.ChronicleFactory()
+        with assert_num_queries(self.expected_num_queries):
+            response = authenticated_client.get(
+                url_for(
+                    self.endpoint,
+                    q="HomMe : bien",
+                    research_type="CHRONICLE_CONTENT",
+                ),
+            )
+            assert response.status_code == 200
+
+        rows = html_parser.extract_table_rows(response.data)
+
+        assert len(rows) == 1
+        assert rows[0]["ID"] == str(chronicle_to_find.id)
+
     def test_search_by_product_name(self, authenticated_client):
         product = offers_factories.ProductFactory(name="My super product")
         chronicle_with_product = chronicles_factories.ChronicleFactory(products=[product])