diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_i_content_meta_database.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_i_content_meta_database.hpp
index 5b7db7f88..eb74addec 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_i_content_meta_database.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_i_content_meta_database.hpp
@@ -48,9 +48,9 @@ namespace ams::ncm {
             };
         public:
             /* Actual commands. */
-            virtual Result Set(ContentMetaKey key, sf::InBuffer value) = 0;
+            virtual Result Set(const ContentMetaKey &key, sf::InBuffer value) = 0;
             virtual Result Get(sf::Out<u64> out_size, const ContentMetaKey &key, sf::OutBuffer out_value) = 0;
-            virtual Result Remove(ContentMetaKey key) = 0;
+            virtual Result Remove(const ContentMetaKey &key) = 0;
             virtual Result GetContentIdByType(sf::Out<ContentId> out_content_id, const ContentMetaKey &key, ContentType type) = 0;
             virtual Result ListContentInfo(sf::Out<u32> out_entries_written, const sf::OutArray<ContentInfo> &out_info, const ContentMetaKey &key, u32 start_index) = 0;
             virtual Result List(sf::Out<u32> out_entries_total, sf::Out<u32> out_entries_written, const sf::OutArray<ContentMetaKey> &out_info, ContentMetaType meta_type, ProgramId application_program_id, ProgramId program_id_min, ProgramId program_id_max, ContentInstallType install_type) = 0;
diff --git a/stratosphere/ncm/source/ncm_content_meta_database_impl.cpp b/stratosphere/ncm/source/ncm_content_meta_database_impl.cpp
index 94aae99e8..4ef271b3e 100644
--- a/stratosphere/ncm/source/ncm_content_meta_database_impl.cpp
+++ b/stratosphere/ncm/source/ncm_content_meta_database_impl.cpp
@@ -148,7 +148,7 @@ namespace ams::ncm {
         return ncm::ResultContentMetaNotFound();
     }
 
-    Result ContentMetaDatabaseImpl::Set(ContentMetaKey key, sf::InBuffer value) {
+    Result ContentMetaDatabaseImpl::Set(const ContentMetaKey &key, sf::InBuffer value) {
         R_TRY(this->EnsureEnabled());
         return this->kvs->Set(key, value.GetPointer(), value.GetSize());
     }
@@ -158,7 +158,7 @@ namespace ams::ncm {
         return this->kvs->Get(out_size.GetPointer(), out_value.GetPointer(), out_value.GetSize(), key);
     }
 
-    Result ContentMetaDatabaseImpl::Remove(ContentMetaKey key) {
+    Result ContentMetaDatabaseImpl::Remove(const ContentMetaKey &key) {
         R_TRY(this->EnsureEnabled());
         return this->kvs->Remove(key);
     }
diff --git a/stratosphere/ncm/source/ncm_content_meta_database_impl.hpp b/stratosphere/ncm/source/ncm_content_meta_database_impl.hpp
index bcfc5328e..89320dcd9 100644
--- a/stratosphere/ncm/source/ncm_content_meta_database_impl.hpp
+++ b/stratosphere/ncm/source/ncm_content_meta_database_impl.hpp
@@ -31,9 +31,9 @@ namespace ams::ncm {
             Result GetContentIdByTypeImpl(ContentId *out, const ContentMetaKey& key, ContentType type, std::optional<u8> id_offset);
             Result GetLatestContentMetaKeyImpl(ContentMetaKey *out_key, ProgramId id);
         public:
-            virtual Result Set(ContentMetaKey key, sf::InBuffer value) override;
+            virtual Result Set(const ContentMetaKey &key, sf::InBuffer value) override;
             virtual Result Get(sf::Out<u64> out_size, const ContentMetaKey &key, sf::OutBuffer out_value) override;
-            virtual Result Remove(ContentMetaKey key) override;
+            virtual Result Remove(const ContentMetaKey &key) override;
             virtual Result GetContentIdByType(sf::Out<ContentId> out_content_id, const ContentMetaKey &key, ContentType type) override;
             virtual Result ListContentInfo(sf::Out<u32> out_entries_written, const sf::OutArray<ContentInfo> &out_info, const ContentMetaKey &key, u32 start_index) override;
             virtual Result List(sf::Out<u32> out_entries_total, sf::Out<u32> out_entries_written, const sf::OutArray<ContentMetaKey> &out_info, ContentMetaType type, ProgramId application_program_id, ProgramId program_id_min, ProgramId program_id_max, ContentInstallType install_type) override;