diff --git a/MyINPulse-back/src/main/java/enseirb/myinpulse/model/Project.java b/MyINPulse-back/src/main/java/enseirb/myinpulse/model/Project.java
index ac1c5df..b745c6f 100644
--- a/MyINPulse-back/src/main/java/enseirb/myinpulse/model/Project.java
+++ b/MyINPulse-back/src/main/java/enseirb/myinpulse/model/Project.java
@@ -26,8 +26,7 @@ public class Project {
     private byte[] logo;
     private LocalDate creationDate;
 
-    @Column(length = 255)
-    private String projectStatus;
+    @Column private ProjectDecisionValue projectStatus;
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "idAdministrator")
@@ -42,11 +41,12 @@ public class Project {
             String projectName,
             byte[] logo,
             LocalDate creationDate,
-            String projectStatus,
+            ProjectDecisionValue projectStatus,
             Administrator projectAdministrator) {
         this.projectName = projectName;
         this.logo = logo;
         this.creationDate = creationDate;
+        // this.projectStatus = (long) projectStatus.ordinal();
         this.projectStatus = projectStatus;
         this.projectAdministrator = projectAdministrator;
     }
@@ -83,11 +83,11 @@ public class Project {
         this.creationDate = creationDate;
     }
 
-    public String getProjectStatus() {
+    public ProjectDecisionValue getProjectStatus() {
         return projectStatus;
     }
 
-    public void setProjectStatus(String projectStatus) {
+    public void setProjectStatus(ProjectDecisionValue projectStatus) {
         this.projectStatus = projectStatus;
     }
 
diff --git a/MyINPulse-back/src/main/java/enseirb/myinpulse/model/ProjectDecisionValue.java b/MyINPulse-back/src/main/java/enseirb/myinpulse/model/ProjectDecisionValue.java
new file mode 100644
index 0000000..ca38489
--- /dev/null
+++ b/MyINPulse-back/src/main/java/enseirb/myinpulse/model/ProjectDecisionValue.java
@@ -0,0 +1,8 @@
+package enseirb.myinpulse.model;
+
+public enum ProjectDecisionValue {
+    PENDING,
+    ACTIVE,
+    ENDED,
+    ABORTED
+}
diff --git a/MyINPulse-back/src/main/java/enseirb/myinpulse/repository/ProjectRepository.java b/MyINPulse-back/src/main/java/enseirb/myinpulse/repository/ProjectRepository.java
index 2911655..0fc1b08 100644
--- a/MyINPulse-back/src/main/java/enseirb/myinpulse/repository/ProjectRepository.java
+++ b/MyINPulse-back/src/main/java/enseirb/myinpulse/repository/ProjectRepository.java
@@ -10,5 +10,5 @@ import org.springframework.data.rest.core.annotation.RepositoryRestResource;
 public interface ProjectRepository extends JpaRepository<Project, Long> {
     Iterable<Project> findByProjectAdministrator(Administrator administrator);
 
-    Iterable<Project> findByProjectStatus(String status);
+    Iterable<Project> findByProjectStatus(Long status);
 }
diff --git a/MyINPulse-back/src/main/java/enseirb/myinpulse/service/AdminApiService.java b/MyINPulse-back/src/main/java/enseirb/myinpulse/service/AdminApiService.java
index 400c2b6..974754d 100644
--- a/MyINPulse-back/src/main/java/enseirb/myinpulse/service/AdminApiService.java
+++ b/MyINPulse-back/src/main/java/enseirb/myinpulse/service/AdminApiService.java
@@ -1,5 +1,7 @@
 package enseirb.myinpulse.service;
 
+import static enseirb.myinpulse.model.ProjectDecisionValue.ACTIVE;
+
 import enseirb.myinpulse.model.*;
 import enseirb.myinpulse.service.database.AdministratorService;
 import enseirb.myinpulse.service.database.ProjectService;
@@ -27,7 +29,7 @@ public class AdminApiService {
         this.administratorService = administratorService;
     }
 
-    // TODO: test
+    // TODO: check if test are sufficient
     public Iterable<Project> getProjectsOfAdmin(String email) {
         return projectService.getProjectsByAdminId(
                 administratorService.getAdministratorById(
@@ -46,13 +48,15 @@ public class AdminApiService {
 
     // TODO: test
     public void validateProject(ProjectDecision decision) {
-        projectService.updateProject(
-                decision.projectId,
-                null,
-                null,
-                null,
-                "ACTIVE",
-                this.administratorService.getAdministratorById(decision.projectId));
+        if (decision.isAccepted == 1) {
+            projectService.updateProject(
+                    decision.projectId,
+                    null,
+                    null,
+                    null,
+                    ACTIVE,
+                    this.administratorService.getAdministratorById(decision.projectId));
+        }
     }
 
     // TODO: solve todo + test
diff --git a/MyINPulse-back/src/main/java/enseirb/myinpulse/service/EntrepreneurApiService.java b/MyINPulse-back/src/main/java/enseirb/myinpulse/service/EntrepreneurApiService.java
index 61b16ab..f1d6260 100644
--- a/MyINPulse-back/src/main/java/enseirb/myinpulse/service/EntrepreneurApiService.java
+++ b/MyINPulse-back/src/main/java/enseirb/myinpulse/service/EntrepreneurApiService.java
@@ -1,5 +1,7 @@
 package enseirb.myinpulse.service;
 
+import static enseirb.myinpulse.model.ProjectDecisionValue.PENDING;
+
 import enseirb.myinpulse.model.Project;
 import enseirb.myinpulse.model.SectionCell;
 import enseirb.myinpulse.service.database.ProjectService;
@@ -114,7 +116,7 @@ public class EntrepreneurApiService {
             throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "Le projet fourni est vide");
         }
         logger.info("User {} created a new project with id {}", mail, project.getIdProject());
-        project.setProjectStatus("PENDING");
+        project.setProjectStatus(PENDING);
         projectService.addNewProject(project);
     }
 }
diff --git a/MyINPulse-back/src/main/java/enseirb/myinpulse/service/database/ProjectService.java b/MyINPulse-back/src/main/java/enseirb/myinpulse/service/database/ProjectService.java
index 10dc7e9..d851a43 100644
--- a/MyINPulse-back/src/main/java/enseirb/myinpulse/service/database/ProjectService.java
+++ b/MyINPulse-back/src/main/java/enseirb/myinpulse/service/database/ProjectService.java
@@ -1,7 +1,10 @@
 package enseirb.myinpulse.service.database;
 
+import static enseirb.myinpulse.model.ProjectDecisionValue.PENDING;
+
 import enseirb.myinpulse.model.Administrator;
 import enseirb.myinpulse.model.Project;
+import enseirb.myinpulse.model.ProjectDecisionValue;
 import enseirb.myinpulse.repository.ProjectRepository;
 
 import org.apache.logging.log4j.LogManager;
@@ -54,7 +57,7 @@ public class ProjectService {
             String projectName,
             byte[] logo,
             LocalDate creationDate,
-            String projectStatus,
+            ProjectDecisionValue projectStatus,
             Administrator administrator) {
         Optional<Project> project = this.projectRepository.findById(id);
 
@@ -76,11 +79,14 @@ public class ProjectService {
         }
 
         if (projectStatus != null) {
+            // TODO: check if this is really useful
+            /*
             if (!validateStatus(projectStatus)) {
                 logger.error("updateProjectStatus: Invalid status {}", projectStatus);
                 throw new ResponseStatusException(
                         HttpStatus.NOT_ACCEPTABLE, "Ce status n'est pas accepté");
             }
+            */
             project.get().setProjectStatus(projectStatus);
         }
 
@@ -96,7 +102,7 @@ public class ProjectService {
     }
 
     public Iterable<Project> getPendingProjects() {
-        return this.projectRepository.findByProjectStatus("PENDING");
+        return this.projectRepository.findByProjectStatus((long) PENDING.ordinal());
     }
 
     public void deleteProjectById(Long id) {