diff --git a/cit-esi-api/src/main/java/br/com/centralit/esi/api/data/core/DataObjectUtil.java b/cit-esi-api/src/main/java/br/com/centralit/esi/api/data/core/DataObjectUtil.java
index d918659..9569c45 100644
--- a/cit-esi-api/src/main/java/br/com/centralit/esi/api/data/core/DataObjectUtil.java
+++ b/cit-esi-api/src/main/java/br/com/centralit/esi/api/data/core/DataObjectUtil.java
@@ -341,10 +341,12 @@ public final class DataObjectUtil {
 		
 		sql = new StringBuilder();
 		if (dataObject.getRelationships() != null) {
+			int iFk = 0;
 			for (Relationship relationship : dataObject.getRelationships()) {
 				if (relationship.getType().equals(RelationshipTypeEnum.MANY_TO_ONE) && relationship.getReferencedObject().getDataSource().getId().equals(dataObject.getDataSource().getId())) {
+					iFk ++;
 					sql.append("ALTER TABLE "+dataObject.getFullName());
-					sql.append(System.getProperty("line.separator").toString()+"	ADD CONSTRAINT fk_"+relationship.getName());
+					sql.append(System.getProperty("line.separator").toString()+"	ADD CONSTRAINT fk_"+dataObject.getName()+"_"+iFk);
 					sql.append(System.getProperty("line.separator").toString()+"	FOREIGN KEY (");
 					i = 0;
 					for (RelationshipColumn relationshipColumn : relationship.getColumns()) {
--
libgit2 0.21.2