diff --git a/src/main/java/org/springframework/data/repository/query/ReturnedType.java b/src/main/java/org/springframework/data/repository/query/ReturnedType.java
index 0878ed150..822bcc44e 100644
--- a/src/main/java/org/springframework/data/repository/query/ReturnedType.java
+++ b/src/main/java/org/springframework/data/repository/query/ReturnedType.java
@@ -283,6 +283,11 @@ public abstract class ReturnedType {
 
 			PreferredConstructorDiscoverer<?, ?> discoverer = new PreferredConstructorDiscoverer(type);
 			PreferredConstructor<?, ?> constructor = discoverer.getConstructor();
+
+			if (constructor == null) {
+				return Collections.emptyList();
+			}
+
 			List<String> properties = new ArrayList<String>();
 
 			for (PreferredConstructor.Parameter<Object, ?> parameter : constructor.getParameters()) {
diff --git a/src/test/java/org/springframework/data/repository/query/ReturnedTypeUnitTests.java b/src/test/java/org/springframework/data/repository/query/ReturnedTypeUnitTests.java
index 7846ffe81..a37521ef0 100644
--- a/src/test/java/org/springframework/data/repository/query/ReturnedTypeUnitTests.java
+++ b/src/test/java/org/springframework/data/repository/query/ReturnedTypeUnitTests.java
@@ -130,6 +130,17 @@ public class ReturnedTypeUnitTests {
 		assertThat(type.getTypeToRead(), is(typeCompatibleWith(BigInteger.class)));
 	}
 
+	/**
+	 * @see DATACMNS-840
+	 */
+	@Test
+	public void detectsSampleDtoWithDefaultConstructor() throws Exception {
+
+		ReturnedType type = getReturnedType("dtoWithMultipleConstructors");
+
+		assertThat(type.getInputProperties(), is(empty()));
+	}
+
 	private static ReturnedType getReturnedType(String methodName, Class<?>... parameters) throws Exception {
 		return getQueryMethod(methodName, parameters).getResultProcessor().getReturnedType();
 	}
@@ -162,6 +173,8 @@ public class ReturnedTypeUnitTests {
 		Page<SampleProjection> findPageProjection(Pageable pageable);
 
 		BigInteger countQuery();
+
+		SampleDtoWithMultipleConstructors dtoWithMultipleConstructors();
 	}
 
 	static class Sample {
@@ -180,6 +193,13 @@ public class ReturnedTypeUnitTests {
 		}
 	}
 
+	static class SampleDtoWithMultipleConstructors {
+
+		SampleDtoWithMultipleConstructors(String firstname) {}
+
+		SampleDtoWithMultipleConstructors(int age) {}
+	}
+
 	interface SampleProjection {
 
 		String getLastname();