diff --git a/src/security/sec-policy-no-verify.cpp b/src/security/sec-policy-no-verify.cpp
index 1dce9d2..3a45756 100644
--- a/src/security/sec-policy-no-verify.cpp
+++ b/src/security/sec-policy-no-verify.cpp
@@ -18,7 +18,7 @@
     
 ptr_lib::shared_ptr<ValidationRequest>
 SecPolicyNoVerify::checkVerificationPolicy
-  (const ptr_lib::shared_ptr<Data>& data, int stepCount, const OnVerified& onVerified, const OnVerifyFailed& onVerifyFailed)
+  (const ptr_lib::shared_ptr<const Data>& data, int stepCount, const OnVerified& onVerified, const OnVerifyFailed& onVerifyFailed)
 { 
   onVerified(); 
   return ptr_lib::shared_ptr<ValidationRequest>();
@@ -26,7 +26,7 @@
 
 ptr_lib::shared_ptr<ValidationRequest>
 SecPolicyNoVerify::checkVerificationPolicy
-  (const ptr_lib::shared_ptr<Interest>& interest, int stepCount, const OnVerified& onVerified, const OnVerifyFailed& onVerifyFailed)
+  (const ptr_lib::shared_ptr<const Interest>& interest, int stepCount, const OnVerified& onVerified, const OnVerifyFailed& onVerifyFailed)
 { 
   onVerified(); 
   return ptr_lib::shared_ptr<ValidationRequest>();