diff --git a/dmp-backend/web/src/main/java/eu/eudat/logic/builders/entity/CredentialBuilder.java b/dmp-backend/web/src/main/java/eu/eudat/logic/builders/entity/CredentialBuilder.java
index a072d7f63..14cbf0822 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/logic/builders/entity/CredentialBuilder.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/logic/builders/entity/CredentialBuilder.java
@@ -30,6 +30,8 @@ public class CredentialBuilder extends Builder<Credential> {
 
     private String externalId;
 
+    private String email;
+
     public CredentialBuilder id(UUID id) {
         this.id = id;
         return this;
@@ -75,6 +77,11 @@ public class CredentialBuilder extends Builder<Credential> {
         return this;
     }
 
+    public CredentialBuilder email(String email) {
+        this.email = email;
+        return this;
+    }
+
     public Credential build() {
         Credential credential = new Credential();
         credential.setStatus(status);
@@ -86,6 +93,7 @@ public class CredentialBuilder extends Builder<Credential> {
         credential.setUserInfo(userInfo);
         credential.setId(id);
         credential.setExternalId(externalId);
+        credential.setEmail(email);
         return credential;
     }
 }
diff --git a/dmp-backend/web/src/main/java/eu/eudat/logic/services/operations/authentication/AbstractAuthenticationService.java b/dmp-backend/web/src/main/java/eu/eudat/logic/services/operations/authentication/AbstractAuthenticationService.java
index 5d2ac907a..8d38301b7 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/logic/services/operations/authentication/AbstractAuthenticationService.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/logic/services/operations/authentication/AbstractAuthenticationService.java
@@ -135,6 +135,7 @@ public abstract class AbstractAuthenticationService implements AuthenticationSer
 				.provider(profile.getProvider().getValue())
 				.secret(profile.getSecret())
 				.externalId(profile.getId())
+				.email(profile.getEmail())
 				.build();
 
 		if (userInfo == null) {
@@ -188,6 +189,7 @@ public abstract class AbstractAuthenticationService implements AuthenticationSer
 				credential.setUserInfo(userInfo);
 				credential.setId(UUID.randomUUID());
 				credential.setPublicValue(userInfo.getName());
+				credential.setEmail(userInfo.getEmail());
 				apiContext.getOperationsContext().getDatabaseRepository().getCredentialDao().createOrUpdate(credential);
 				userInfo.getCredentials().add(credential);
 			}
diff --git a/dmp-backend/web/src/main/java/eu/eudat/models/data/userinfo/UserMergeRequestModel.java b/dmp-backend/web/src/main/java/eu/eudat/models/data/userinfo/UserMergeRequestModel.java
index dab3bab4e..5a60b5b2b 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/models/data/userinfo/UserMergeRequestModel.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/models/data/userinfo/UserMergeRequestModel.java
@@ -5,6 +5,7 @@ import java.util.UUID;
 public class UserMergeRequestModel {
 	private UUID userId;
 	private String email;
+	private Integer provider;
 	public UUID getUserId() {
 		return userId;
 	}
@@ -18,4 +19,11 @@ public class UserMergeRequestModel {
 		this.email = email;
 	}
 
+	public Integer getProvider() {
+		return provider;
+	}
+
+	public void setProvider(Integer provider) {
+		this.provider = provider;
+	}
 }