diff --git a/src/servers/Server_Common/Database/DbConnection.cpp b/src/servers/Server_Common/Database/DbConnection.cpp
index 9ba00fa5..fdb9533f 100644
--- a/src/servers/Server_Common/Database/DbConnection.cpp
+++ b/src/servers/Server_Common/Database/DbConnection.cpp
@@ -188,7 +188,7 @@ bool Core::Db::DbConnection::execute( boost::shared_ptr< Core::Db::PreparedState
    catch( std::runtime_error& e )
    {
       g_log.error( e.what() );
-      return nullptr;
+      return false;
    }
 }
 
diff --git a/src/servers/Server_REST/PlayerMinimal.cpp b/src/servers/Server_REST/PlayerMinimal.cpp
index a600477c..d6a34295 100644
--- a/src/servers/Server_REST/PlayerMinimal.cpp
+++ b/src/servers/Server_REST/PlayerMinimal.cpp
@@ -360,7 +360,7 @@ namespace Core {
       g_charaDb.directExecute( stmtItemGlobal );
    }
 
-   void PlayerMinimal::createInvDbContainer( uint8_t slot ) const
+   void PlayerMinimal::createInvDbContainer( uint16_t slot ) const
    {
       auto stmtCreateInv = g_charaDb.getPreparedStatement( Db::CHARA_ITEMINV_INS );
       stmtCreateInv->setInt( 1, m_id );
diff --git a/src/servers/Server_REST/PlayerMinimal.h b/src/servers/Server_REST/PlayerMinimal.h
index 2146e25a..38019e10 100644
--- a/src/servers/Server_REST/PlayerMinimal.h
+++ b/src/servers/Server_REST/PlayerMinimal.h
@@ -150,7 +150,7 @@ namespace Core {
          m_gmRank = rank;
       }
 
-      void createInvDbContainer( uint8_t slot ) const;
+      void createInvDbContainer( uint16_t slot ) const;
 
       uint32_t m_modelEquip[10];