diff --git a/spring-expression/src/main/java/org/springframework/expression/spel/ast/Indexer.java b/spring-expression/src/main/java/org/springframework/expression/spel/ast/Indexer.java
index 18e5a418c2..04b5028161 100644
--- a/spring-expression/src/main/java/org/springframework/expression/spel/ast/Indexer.java
+++ b/spring-expression/src/main/java/org/springframework/expression/spel/ast/Indexer.java
@@ -726,6 +726,7 @@ public class Indexer extends SpelNodeImpl {
 			}
 		}
 
+		@Nullable
 		private Constructor<?> getDefaultConstructor(Class<?> type) {
 			try {
 				return ReflectionUtils.accessibleConstructor(type);