# Node ID 4e99eb9997e2e1de7d5c2a5c964e5cdad5b52c08
# Parent  2c489108cb3128cf5722dd79f6a61fcab8e18b60
diff --git a/src/mem/ruby/system/RubyPort.cc b/src/mem/ruby/system/RubyPort.cc
--- a/src/mem/ruby/system/RubyPort.cc
+++ b/src/mem/ruby/system/RubyPort.cc
@@ -177,8 +177,7 @@
     DPRINTF(RubyPort, "Response for address: 0x%#x\n", pkt->getAddr());
 
     // send next cycle
-    rp->pioSlavePort.schedTimingResp(
-            pkt, curTick() + rp->m_ruby_system->clockPeriod());
+    rp->pioSlavePort.schedTimingResp(pkt, rp->nextCycle());
     return true;
 }
 
@@ -201,7 +200,7 @@
 
     // attempt to send the response in the next cycle
     RubyPort *rp = static_cast<RubyPort *>(&owner);
-    port->schedTimingResp(pkt, curTick() + rp->m_ruby_system->clockPeriod());
+    port->schedTimingResp(pkt, rp->nextCycle());
 
     return true;
 }
@@ -251,9 +250,8 @@
             pkt->pushSenderState(new SenderState(this));
 
             // send next cycle
-            RubySystem *rs = ruby_port->m_ruby_system;
-            ruby_port->memMasterPort.schedTimingReq(pkt,
-                curTick() + rs->clockPeriod());
+            Tick enqueue_time = ruby_port->nextCycle();
+            ruby_port->memMasterPort.schedTimingReq(pkt, enqueue_time);
             return true;
         }
     }