diff --git a/oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jwt/NimbusJwtDecoder.java b/oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jwt/NimbusJwtDecoder.java
index d216aef02b..fed8d06731 100644
--- a/oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jwt/NimbusJwtDecoder.java
+++ b/oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jwt/NimbusJwtDecoder.java
@@ -473,7 +473,7 @@ private JWKSet fetchJWKSet(SecurityContext context) throws KeySourceException {
 						System.currentTimeMillis(), context);
 			}
 
-			private static String getFirstSpecifiedKeyID(JWKMatcher jwkMatcher) {
+			private String getFirstSpecifiedKeyID(JWKMatcher jwkMatcher) {
 				Set<String> keyIDs = jwkMatcher.getKeyIDs();
 
 				if (keyIDs == null || keyIDs.isEmpty()) {