diff --git a/components/certificate-mgt/org.wso2.carbon.certificate.mgt.cert.admin.api/src/main/java/org/wso2/carbon/certificate/mgt/cert/jaxrs/api/impl/CertificateManagementAdminServiceImpl.java b/components/certificate-mgt/org.wso2.carbon.certificate.mgt.cert.admin.api/src/main/java/org/wso2/carbon/certificate/mgt/cert/jaxrs/api/impl/CertificateManagementAdminServiceImpl.java
index 5957b1b8cf..c1cb5c7197 100644
--- a/components/certificate-mgt/org.wso2.carbon.certificate.mgt.cert.admin.api/src/main/java/org/wso2/carbon/certificate/mgt/cert/jaxrs/api/impl/CertificateManagementAdminServiceImpl.java
+++ b/components/certificate-mgt/org.wso2.carbon.certificate.mgt.cert.admin.api/src/main/java/org/wso2/carbon/certificate/mgt/cert/jaxrs/api/impl/CertificateManagementAdminServiceImpl.java
@@ -242,6 +242,7 @@ public class CertificateManagementAdminServiceImpl implements CertificateManagem
                 String challengeToken = certMgtService.extractChallengeToken(cert);
 
                 if (challengeToken != null) {
+                    challengeToken = challengeToken.replace("\u0004&\u0013$","");
                     challengeToken = challengeToken.substring(challengeToken.indexOf("(") + 1).trim();
 
                     SCEPManager scepManager = CertificateMgtAPIUtils.getSCEPManagerService();