diff --git a/core/src/main/java/org/springframework/security/authoritymapping/SimpleAttributes2GrantedAuthoritiesMapper.java b/core/src/main/java/org/springframework/security/authoritymapping/SimpleAttributes2GrantedAuthoritiesMapper.java
index 0cba9a6dd7..e35925fcb3 100755
--- a/core/src/main/java/org/springframework/security/authoritymapping/SimpleAttributes2GrantedAuthoritiesMapper.java
+++ b/core/src/main/java/org/springframework/security/authoritymapping/SimpleAttributes2GrantedAuthoritiesMapper.java
@@ -90,7 +90,7 @@ public class SimpleAttributes2GrantedAuthoritiesMapper implements Attributes2Gra
         return attributePrefix == null ? "" : attributePrefix;
     }
 
-    public void seAttributePrefix(String string) {
+    public void setAttributePrefix(String string) {
         attributePrefix = string;
     }