diff --git a/src/mem/cache/replacement_policies/mru_rp.cc b/src/mem/cache/replacement_policies/mru_rp.cc
index 0a89d4373a..f4cf014ae2 100644
--- a/src/mem/cache/replacement_policies/mru_rp.cc
+++ b/src/mem/cache/replacement_policies/mru_rp.cc
@@ -56,7 +56,7 @@ MRURP::reset(CacheBlk *blk)
 }
 
 CacheBlk*
-MRURP::getVictim(ReplacementCandidates& candidates)
+MRURP::getVictim(const ReplacementCandidates& candidates)
 {
     // There must be at least one replacement candidate
     assert(candidates.size() > 0);
diff --git a/src/mem/cache/replacement_policies/mru_rp.hh b/src/mem/cache/replacement_policies/mru_rp.hh
index d9276e6894..d947d7cb39 100644
--- a/src/mem/cache/replacement_policies/mru_rp.hh
+++ b/src/mem/cache/replacement_policies/mru_rp.hh
@@ -77,7 +77,7 @@ class MRURP : public BaseReplacementPolicy
      * @param cands Replacement candidates, selected by indexing policy.
      * @return Cache block to be replaced.
      */
-    CacheBlk* getVictim(ReplacementCandidates& candidates) override;
+    CacheBlk* getVictim(const ReplacementCandidates& candidates) override;
 };
 
 #endif // __MEM_CACHE_REPLACEMENT_POLICIES_MRU_RP_HH__