diff --git a/spring-core/src/main/java/org/springframework/core/ResolvableType.java b/spring-core/src/main/java/org/springframework/core/ResolvableType.java
index 6948d9ab610faf1ef0ec087b2a8650a35018eb4e..16cd8c4792b84c95bacd88879c3e0186d5706039 100644
--- a/spring-core/src/main/java/org/springframework/core/ResolvableType.java
+++ b/spring-core/src/main/java/org/springframework/core/ResolvableType.java
@@ -1194,6 +1194,10 @@ public final class ResolvableType implements Serializable {
 		}
 		// Check the cache, we may have a ResolvableType that may have already been resolved
 		cache.purgeUnreferencedEntries();
+
+		if (type instanceof Class<?>) {
+			return new ResolvableType(type, typeProvider, variableResolver, null);
+		}
 		ResolvableType key = new ResolvableType(type, typeProvider, variableResolver);
 		ResolvableType resolvableType = cache.get(key);
 		if (resolvableType == null) {