diff --git a/src/main/java/org/springframework/data/elasticsearch/core/suggest/Completion.java b/src/main/java/org/springframework/data/elasticsearch/core/suggest/Completion.java
index 5413ff87f..a7613b028 100644
--- a/src/main/java/org/springframework/data/elasticsearch/core/suggest/Completion.java
+++ b/src/main/java/org/springframework/data/elasticsearch/core/suggest/Completion.java
@@ -28,6 +28,7 @@ import org.springframework.lang.Nullable;
  * @author Mewes Kochheim
  * @author Robert Gruendler
  * @author Peter-Josef Meisch
+ * @author Houtaroy
  */
 public class Completion {
 
@@ -35,6 +36,10 @@ public class Completion {
 	@Nullable private Map<String, List<String>> contexts;
 	@Nullable private Integer weight;
 
+	public Completion() {
+		this.input = new String[0];
+	}
+
 	@PersistenceConstructor
 	public Completion(String[] input) {
 		this.input = input;