diff --git a/dmp-migration-tool/web/src/main/java/eu/old/eudat/migration/DmpMigrationService.java b/dmp-migration-tool/web/src/main/java/eu/old/eudat/migration/DmpMigrationService.java
index a58347e36..1601bc0f2 100644
--- a/dmp-migration-tool/web/src/main/java/eu/old/eudat/migration/DmpMigrationService.java
+++ b/dmp-migration-tool/web/src/main/java/eu/old/eudat/migration/DmpMigrationService.java
@@ -167,7 +167,8 @@ public class DmpMigrationService {
                                 ExtraFieldEntity extraFieldEntity = (ExtraFieldEntity) fieldEntity;
                                 switch (extraFieldEntity.getType()){
                                     case Date -> valueEntity.setDateValue(Instant.parse((String) val));
-                                    case RichTex, Text, Number -> valueEntity.setValue((String) val);
+                                    case RichTex, Text -> valueEntity.setValue((String) val);
+                                    case Number -> valueEntity.setNumberValue(Double.parseDouble((String) val));
                                     default -> throw new MyApplicationException("unrecognized type " + extraFieldEntity.getType().getValue());
                                 }
                             } else {