diff --git a/spring-expression/src/main/java/org/springframework/expression/spel/ast/MethodReference.java b/spring-expression/src/main/java/org/springframework/expression/spel/ast/MethodReference.java
index f5f62cbfe80b97c09a4e1271d28c43c063755f81..3b4029666901d8d5bc7f679b6fd9b58f648f5bb8 100644
--- a/spring-expression/src/main/java/org/springframework/expression/spel/ast/MethodReference.java
+++ b/spring-expression/src/main/java/org/springframework/expression/spel/ast/MethodReference.java
@@ -230,7 +230,7 @@ public class MethodReference extends SpelNodeImpl {
 
 	private void updateExitTypeDescriptor() {
 		CachedMethodExecutor executorToCheck = this.cachedExecutor;
-		if (executorToCheck.get() instanceof ReflectiveMethodExecutor) {
+		if (executorToCheck != null && executorToCheck.get() instanceof ReflectiveMethodExecutor) {
 			Method method = ((ReflectiveMethodExecutor) executorToCheck.get()).getMethod();
 			this.exitTypeDescriptor = CodeFlow.toDescriptor(method.getReturnType());
 		}