diff --git a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/DefaultDbRefResolver.java b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/DefaultDbRefResolver.java
index 7e543e857..cbffcf1f5 100644
--- a/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/DefaultDbRefResolver.java
+++ b/spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/DefaultDbRefResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2015 the original author or authors.
+ * Copyright 2013-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -180,8 +180,8 @@ public class DefaultDbRefResolver implements DbRefResolver {
 	 * @author Oliver Gierke
 	 * @author Christoph Strobl
 	 */
-	static class LazyLoadingInterceptor implements MethodInterceptor, org.springframework.cglib.proxy.MethodInterceptor,
-			Serializable {
+	static class LazyLoadingInterceptor
+			implements MethodInterceptor, org.springframework.cglib.proxy.MethodInterceptor, Serializable {
 
 		private static final Method INITIALIZE_METHOD, TO_DBREF_METHOD, FINALIZE_METHOD;
 
@@ -387,7 +387,8 @@ public class DefaultDbRefResolver implements DbRefResolver {
 				} catch (RuntimeException ex) {
 
 					DataAccessException translatedException = this.exceptionTranslator.translateExceptionIfPossible(ex);
-					throw new LazyLoadingException("Unable to lazily resolve DBRef!", translatedException);
+					throw new LazyLoadingException("Unable to lazily resolve DBRef!",
+							translatedException != null ? translatedException : ex);
 				}
 			}
 
diff --git a/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/LazyLoadingInterceptorUntiTests.java b/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/LazyLoadingInterceptorUntiTests.java
new file mode 100644
index 000000000..d6d1659ab
--- /dev/null
+++ b/spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/LazyLoadingInterceptorUntiTests.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.mongodb.core.convert;
+
+import static org.hamcrest.core.Is.*;
+import static org.hamcrest.core.IsEqual.*;
+import static org.mockito.Mockito.*;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.dao.DataAccessException;
+import org.springframework.dao.support.PersistenceExceptionTranslator;
+import org.springframework.data.mongodb.LazyLoadingException;
+import org.springframework.data.mongodb.core.convert.DefaultDbRefResolver.LazyLoadingInterceptor;
+import org.springframework.data.mongodb.core.mapping.MongoPersistentProperty;
+
+import com.mongodb.DBRef;
+
+@RunWith(MockitoJUnitRunner.class)
+public class LazyLoadingInterceptorUntiTests {
+
+	public @Rule ExpectedException exception = ExpectedException.none();
+
+	@Mock MongoPersistentProperty propertyMock;
+	@Mock DBRef dbrefMock;
+	@Mock DbRefResolverCallback callbackMock;
+
+	/**
+	 * @see DATAMONGO-1437
+	 */
+	@Test
+	public void shouldPreserveCauseForNonTranslatableExceptions()
+			throws NoSuchMethodException, SecurityException, Throwable {
+
+		NullPointerException npe = new NullPointerException("Some Exception we did not think about.");
+		when(callbackMock.resolve(propertyMock)).thenThrow(npe);
+
+		exception.expect(LazyLoadingException.class);
+		exception.expectCause(is(equalTo(npe)));
+
+		new LazyLoadingInterceptor(propertyMock, dbrefMock, new NullExceptionTranslator(), callbackMock).intercept(null,
+				LazyLoadingProxy.class.getMethod("getTarget"), null, null);
+	}
+
+	static class NullExceptionTranslator implements PersistenceExceptionTranslator {
+
+		@Override
+		public DataAccessException translateExceptionIfPossible(RuntimeException ex) {
+			return null;
+		}
+	}
+}