diff --git a/meilisearch-http/tests/documents/add_documents.rs b/meilisearch-http/tests/documents/add_documents.rs
index a8340096c..c3f8347f1 100644
--- a/meilisearch-http/tests/documents/add_documents.rs
+++ b/meilisearch-http/tests/documents/add_documents.rs
@@ -274,7 +274,7 @@ async fn error_add_malformed_json_documents() {
     assert_eq!(
         response["message"],
         json!(
-            r#"The `json` payload provided is malformed. `Couldn't serialize document value: key must be a string at line 1 column 14`."#
+            r#"The `json` payload provided is malformed. `Couldn't serialize document value. at line 1 column 14`"#
         )
     );
     assert_eq!(response["code"], json!("malformed_payload"));
@@ -298,7 +298,7 @@ async fn error_add_malformed_json_documents() {
     assert_eq!(
         response["message"],
         json!(
-            r#"The `json` payload provided is malformed. `Couldn't serialize document value: key must be a string at line 1 column 14`."#
+            r#"The `json` payload provided is malformed. `Couldn't serialize document value. at line 1 column 14`"#
         )
     );
     assert_eq!(response["code"], json!("malformed_payload"));
@@ -336,7 +336,7 @@ async fn error_add_malformed_ndjson_documents() {
     assert_eq!(
         response["message"],
         json!(
-            r#"The `ndjson` payload provided is malformed. `Couldn't serialize document value: key must be a string at line 1 column 2`."#
+            r#"The `ndjson` payload provided is malformed. `Couldn't serialize document value. at line 1 column 2`"#
         )
     );
     assert_eq!(response["code"], json!("malformed_payload"));
@@ -360,7 +360,7 @@ async fn error_add_malformed_ndjson_documents() {
     assert_eq!(
         response["message"],
         json!(
-            r#"The `ndjson` payload provided is malformed. `Couldn't serialize document value: key must be a string at line 1 column 2`."#
+            r#"The `ndjson` payload provided is malformed. `Couldn't serialize document value. at line 1 column 2`"#
         )
     );
     assert_eq!(response["code"], json!("malformed_payload"));