diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/OAuth2ResourceServerProperties.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/OAuth2ResourceServerProperties.java
index 74383f8aed3..1f3508e62ae 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/OAuth2ResourceServerProperties.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/OAuth2ResourceServerProperties.java
@@ -36,6 +36,7 @@ import org.springframework.util.StreamUtils;
  * @author Artsiom Yudovin
  * @author Mushtaq Ahmed
  * @author Yan Kardziyaka
+ * @author Yanming Zhou
  * @since 2.1.0
  */
 @ConfigurationProperties(prefix = "spring.security.oauth2.resourceserver")
@@ -174,7 +175,7 @@ public class OAuth2ResourceServerProperties {
 		}
 
 		public String readPublicKey() throws IOException {
-			String key = "spring.security.oauth2.resourceserver.public-key-location";
+			String key = "spring.security.oauth2.resourceserver.jwt.public-key-location";
 			Assert.notNull(this.publicKeyLocation, "PublicKeyLocation must not be null");
 			if (!this.publicKeyLocation.exists()) {
 				throw new InvalidConfigurationPropertyValueException(key, this.publicKeyLocation,