diff --git a/dmp-backend/src/main/java/entities/DMP.java b/dmp-backend/src/main/java/entities/DMP.java
index 561555644..2193361e1 100644
--- a/dmp-backend/src/main/java/entities/DMP.java
+++ b/dmp-backend/src/main/java/entities/DMP.java
@@ -77,8 +77,8 @@ public class DMP implements Serializable {
 	private DMPProfile profile;
 	
 	
-    @OneToOne(fetch = FetchType.EAGER)
-    @JoinColumn(name = "\"Creator\"", nullable = true)
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name = "\"Creator\"")
 	private UserInfo creator;
 	
 	
diff --git a/dmp-backend/src/main/java/entities/Dataset.java b/dmp-backend/src/main/java/entities/Dataset.java
index dd55f1457..b20c4f7c6 100644
--- a/dmp-backend/src/main/java/entities/Dataset.java
+++ b/dmp-backend/src/main/java/entities/Dataset.java
@@ -106,7 +106,7 @@ public class Dataset implements Serializable {
 	@Column(name = "\"Modified\"")
 	private Date modified = new Date();
 	
-    @OneToOne(fetch = FetchType.EAGER)
+    @ManyToOne(fetch = FetchType.EAGER)
     @JoinColumn(name = "\"Creator\"", nullable = true)
 	private UserInfo creator;
 	
diff --git a/dmp-backend/src/main/java/entities/Project.java b/dmp-backend/src/main/java/entities/Project.java
index e79ce8792..c1092ce10 100644
--- a/dmp-backend/src/main/java/entities/Project.java
+++ b/dmp-backend/src/main/java/entities/Project.java
@@ -14,6 +14,7 @@ import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.JoinTable;
+import javax.persistence.ManyToOne;
 import javax.persistence.OneToMany;
 import javax.persistence.OneToOne;
 import javax.persistence.Table;
@@ -81,7 +82,7 @@ public class Project implements Serializable {
 	private Short status; 
 	
 	
-    @OneToOne(fetch = FetchType.EAGER)
+    @ManyToOne(fetch = FetchType.EAGER)
     @JoinColumn(name = "\"CreationUser\"", nullable = true)
 	private UserInfo creationUser;