diff --git a/config/src/main/java/org/springframework/security/config/authentication/PasswordEncoderParser.java b/config/src/main/java/org/springframework/security/config/authentication/PasswordEncoderParser.java
index 7cb29ed097..0e16f1f1c6 100644
--- a/config/src/main/java/org/springframework/security/config/authentication/PasswordEncoderParser.java
+++ b/config/src/main/java/org/springframework/security/config/authentication/PasswordEncoderParser.java
@@ -66,7 +66,7 @@ public class PasswordEncoderParser {
 		boolean useBase64 = false;
 
 		if (StringUtils.hasText(element.getAttribute(ATT_BASE_64))) {
-			useBase64 = Boolean.valueOf(element.getAttribute(ATT_BASE_64));
+			useBase64 = Boolean.parseBoolean(element.getAttribute(ATT_BASE_64));
 		}
 
 		String ref = element.getAttribute(ATT_REF);