diff --git a/src/main/java/io/ebeaninternal/server/persist/BatchControl.java b/src/main/java/io/ebeaninternal/server/persist/BatchControl.java
index 319db4302..705e6807b 100644
--- a/src/main/java/io/ebeaninternal/server/persist/BatchControl.java
+++ b/src/main/java/io/ebeaninternal/server/persist/BatchControl.java
@@ -327,14 +327,16 @@ public final class BatchControl {
       return maxDepth + 1;
     }
 
+    int parentMaxDepth = -1;
+
     for (BeanPropertyAssocOne<?> parent : imported) {
       BatchedBeanHolder parentBatch = beanHoldMap.get(parent.getTargetDescriptor().rootName());
       if (parentBatch != null) {
         // deeper that the parent
-        return parentBatch.getOrder() + 1;
+        parentMaxDepth = Math.max(parentMaxDepth, parentBatch.getOrder() + 1);
       }
     }
-    return -1;
+    return parentMaxDepth;
   }
 
   /**
diff --git a/src/test/java/org/tests/batchinsert/TestBatchInsertOneToOne.java b/src/test/java/org/tests/batchinsert/TestBatchInsertOneToOne.java
new file mode 100644
index 000000000..620b926bb
--- /dev/null
+++ b/src/test/java/org/tests/batchinsert/TestBatchInsertOneToOne.java
@@ -0,0 +1,40 @@
+package org.tests.batchinsert;
+
+import io.ebean.Ebean;
+import io.ebean.annotation.PersistBatch;
+import io.ebean.annotation.Transactional;
+import org.junit.Test;
+import org.tests.batchinsert.o2o.MeterAddressData;
+import org.tests.batchinsert.o2o.MeterContractData;
+import org.tests.batchinsert.o2o.MeterSpecialNeedsClient;
+import org.tests.batchinsert.o2o.MeterSpecialNeedsContact;
+import org.tests.batchinsert.o2o.MeterVersion;
+
+public class TestBatchInsertOneToOne {
+  private MeterVersion build(){
+    MeterAddressData addressData = new MeterAddressData();
+    addressData.setStreet("street");
+    MeterContractData contractData = new MeterContractData();
+
+    MeterSpecialNeedsClient specialNeedsClient = new MeterSpecialNeedsClient();
+    contractData.setSpecialNeedsClient(specialNeedsClient);
+
+    MeterSpecialNeedsContact contact1 = new MeterSpecialNeedsContact();
+
+    specialNeedsClient.setPrimary(contact1);
+
+    MeterVersion meterVersion = new MeterVersion();
+    meterVersion.setAddressData(addressData);
+    meterVersion.setContractData(contractData);
+
+    return meterVersion;
+  }
+
+  @Transactional(batch = PersistBatch.ALL, batchOnCascade = PersistBatch.ALL, batchSize = 10)
+  @Test
+  public void test() {
+    MeterVersion meterVersion = build();
+
+    Ebean.save(meterVersion);
+  }
+}
diff --git a/src/test/java/org/tests/batchinsert/o2o/MeterAddressData.java b/src/test/java/org/tests/batchinsert/o2o/MeterAddressData.java
new file mode 100644
index 000000000..d91cc475e
--- /dev/null
+++ b/src/test/java/org/tests/batchinsert/o2o/MeterAddressData.java
@@ -0,0 +1,23 @@
+package org.tests.batchinsert.o2o;
+
+import io.ebean.annotation.NotNull;
+import java.util.UUID;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+@Entity
+public class MeterAddressData {
+  @Id
+  private UUID id;
+
+  @NotNull
+  private String street;
+
+  public String getStreet() {
+    return street;
+  }
+
+  public void setStreet(String street) {
+    this.street = street;
+  }
+}
diff --git a/src/test/java/org/tests/batchinsert/o2o/MeterContractData.java b/src/test/java/org/tests/batchinsert/o2o/MeterContractData.java
new file mode 100644
index 000000000..537dc411b
--- /dev/null
+++ b/src/test/java/org/tests/batchinsert/o2o/MeterContractData.java
@@ -0,0 +1,26 @@
+package org.tests.batchinsert.o2o;
+
+import io.ebean.annotation.NotNull;
+import java.util.UUID;
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+
+@Entity
+public class MeterContractData {
+  @Id
+  private UUID id;
+
+  @NotNull
+  @OneToOne(cascade = CascadeType.ALL)
+  private MeterSpecialNeedsClient specialNeedsClient;
+
+  public MeterSpecialNeedsClient getSpecialNeedsClient() {
+    return specialNeedsClient;
+  }
+
+  public void setSpecialNeedsClient(MeterSpecialNeedsClient specialNeedsClient) {
+    this.specialNeedsClient = specialNeedsClient;
+  }
+}
diff --git a/src/test/java/org/tests/batchinsert/o2o/MeterSpecialNeedsClient.java b/src/test/java/org/tests/batchinsert/o2o/MeterSpecialNeedsClient.java
new file mode 100644
index 000000000..d042b5dff
--- /dev/null
+++ b/src/test/java/org/tests/batchinsert/o2o/MeterSpecialNeedsClient.java
@@ -0,0 +1,34 @@
+package org.tests.batchinsert.o2o;
+
+import java.util.UUID;
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+
+@Entity
+public class MeterSpecialNeedsClient {
+  @Id
+  private UUID id;
+
+  private String name;
+
+  @OneToOne(cascade = CascadeType.ALL)
+  private MeterSpecialNeedsContact primary;
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public MeterSpecialNeedsContact getPrimary() {
+    return primary;
+  }
+
+  public void setPrimary(MeterSpecialNeedsContact primary) {
+    this.primary = primary;
+  }
+}
diff --git a/src/test/java/org/tests/batchinsert/o2o/MeterSpecialNeedsContact.java b/src/test/java/org/tests/batchinsert/o2o/MeterSpecialNeedsContact.java
new file mode 100644
index 000000000..029868433
--- /dev/null
+++ b/src/test/java/org/tests/batchinsert/o2o/MeterSpecialNeedsContact.java
@@ -0,0 +1,21 @@
+package org.tests.batchinsert.o2o;
+
+import java.util.UUID;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+@Entity
+public class MeterSpecialNeedsContact {
+  @Id
+  private UUID id;
+
+  private String name;
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+}
diff --git a/src/test/java/org/tests/batchinsert/o2o/MeterVersion.java b/src/test/java/org/tests/batchinsert/o2o/MeterVersion.java
new file mode 100644
index 000000000..49ce21860
--- /dev/null
+++ b/src/test/java/org/tests/batchinsert/o2o/MeterVersion.java
@@ -0,0 +1,38 @@
+package org.tests.batchinsert.o2o;
+
+import io.ebean.annotation.NotNull;
+import java.util.UUID;
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+
+@Entity
+public class MeterVersion {
+  @Id
+  private UUID id;
+
+  //@NotNull
+  @OneToOne(cascade = CascadeType.ALL)
+  private MeterAddressData addressData;
+
+  @NotNull
+  @OneToOne(cascade = CascadeType.ALL)
+  private MeterContractData contractData;
+
+  public MeterAddressData getAddressData() {
+    return addressData;
+  }
+
+  public void setAddressData(MeterAddressData addressData) {
+    this.addressData = addressData;
+  }
+
+  public MeterContractData getContractData() {
+    return contractData;
+  }
+
+  public void setContractData(MeterContractData contractData) {
+    this.contractData = contractData;
+  }
+}