diff --git a/components/org.wso2.micro.integrator.security/src/main/java/org/wso2/micro/integrator/security/handler/BasicAuthConstants.java b/components/org.wso2.micro.integrator.security/src/main/java/org/wso2/micro/integrator/security/handler/BasicAuthConstants.java
index 180673f866..33c29c0d2f 100644
--- a/components/org.wso2.micro.integrator.security/src/main/java/org/wso2/micro/integrator/security/handler/BasicAuthConstants.java
+++ b/components/org.wso2.micro.integrator.security/src/main/java/org/wso2/micro/integrator/security/handler/BasicAuthConstants.java
@@ -29,6 +29,6 @@ public class BasicAuthConstants {
     public static final String RESPONSE = "RESPONSE";
     public static final String TRUE = "true";
     public static final String NO_ENTITY_BODY = "NO_ENTITY_BODY";
-    public static final String WWW_AUTHENTICATE = "WWW_Authenticate";
+    public static final String WWW_AUTHENTICATE = "WWW-Authenticate";
     public static final String WWW_AUTH_METHOD = "Basic realm=\"WSO2 EI\"";
 }