diff --git a/.gitignore b/.gitignore
index 1e86142..378d91e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,4 +11,5 @@ report.html
 log.html
 .expo
 node_modules/
-./front/coverage
\ No newline at end of file
+./front/coverage
+.venv
diff --git a/back/prisma/migrations/20230405061222_/migration.sql b/back/prisma/migrations/20230405061222_/migration.sql
new file mode 100644
index 0000000..068754d
--- /dev/null
+++ b/back/prisma/migrations/20230405061222_/migration.sql
@@ -0,0 +1,16 @@
+/*
+  Warnings:
+
+  - The primary key for the `LessonHistory` table will be changed. If it partially fails, the table could be left without primary key constraint.
+  - The primary key for the `SongHistory` table will be changed. If it partially fails, the table could be left without primary key constraint.
+
+*/
+-- AlterTable
+ALTER TABLE "LessonHistory" DROP CONSTRAINT "LessonHistory_pkey",
+ADD COLUMN     "id" SERIAL NOT NULL,
+ADD CONSTRAINT "LessonHistory_pkey" PRIMARY KEY ("id");
+
+-- AlterTable
+ALTER TABLE "SongHistory" DROP CONSTRAINT "SongHistory_pkey",
+ADD COLUMN     "id" SERIAL NOT NULL,
+ADD CONSTRAINT "SongHistory_pkey" PRIMARY KEY ("id");
diff --git a/back/prisma/schema.prisma b/back/prisma/schema.prisma
index 2bbe9a1..77708f4 100644
--- a/back/prisma/schema.prisma
+++ b/back/prisma/schema.prisma
@@ -45,14 +45,13 @@ model Song {
 }
 
 model SongHistory {
+    id           Int  @id @default(autoincrement())
     song         Song @relation(fields: [songID], references: [id], onDelete: Cascade, onUpdate: Cascade)
     songID       Int
     user         User @relation(fields: [userID], references: [id], onDelete: Cascade, onUpdate: Cascade)
     userID       Int
     score        Int
     difficulties Json
-
-    @@id([songID, userID])
 }
 
 model Genre {
@@ -88,12 +87,11 @@ model Lesson {
 }
 
 model LessonHistory {
+    id       Int    @id @default(autoincrement())
     lesson   Lesson @relation(fields: [lessonID], references: [id])
     lessonID Int
     user     User   @relation(fields: [userID], references: [id])
     userID   Int
-
-    @@id([lessonID, userID])
 }
 
 enum Skill {
diff --git a/back/test/robot/history/history.robot b/back/test/robot/history/history.robot
index 4306d06..b4aa6c8 100644
--- a/back/test/robot/history/history.robot
+++ b/back/test/robot/history/history.robot
@@ -37,6 +37,40 @@ Create and get an history record
     [Teardown]    Run Keywords    DELETE    /users/${userID}
     ...    AND    DELETE    /song/${song.body.id}
 
+Create and get a duplicated history record
+    [Documentation]    Create an history item
+    &{song}=    POST
+    ...    /song
+    ...    {"name": "Mama mia", "difficulties": {}, "midiPath": "/musics/Beethoven-125-4.midi", "musicXmlPath": "/musics/Beethoven-125-4.mxl"}
+    Output
+    ${userID}=    RegisterLogin    wowuser
+
+    &{history}=    POST
+    ...    /history
+    ...    { "userID": ${userID}, "songID": ${song.body.id}, "score": 55, "difficulties": {} }
+    Output
+    Integer    response status    201
+
+    &{history2}=    POST
+    ...    /history
+    ...    { "userID": ${userID}, "songID": ${song.body.id}, "score": 65, "difficulties": {} }
+    Output
+    Integer    response status    201
+
+    &{res}=    GET    /history
+    Output
+    Integer    response status    200
+    Array    response body
+    Integer    $[0].userID    ${userID}
+    Integer    $[0].songID    ${song.body.id}
+    Integer    $[0].score    55
+    Integer    $[1].userID    ${userID}
+    Integer    $[1].songID    ${song.body.id}
+    Integer    $[1].score    65
+
+    [Teardown]    Run Keywords    DELETE    /users/${userID}
+    ...    AND    DELETE    /song/${song.body.id}
+
 Create and get a search history record
     [Documentation]    Create a search history item
     ${userID}=    RegisterLogin    historyqueryuser