diff --git a/src/core/mac/mac.cpp b/src/core/mac/mac.cpp
index 04e235cc5..243db1d8a 100644
--- a/src/core/mac/mac.cpp
+++ b/src/core/mac/mac.cpp
@@ -1310,6 +1310,12 @@ void Mac::HandleTransmitDone(TxFrame &aFrame, RxFrame *aAckFrame, Error aError)
 #endif
 #if OPENTHREAD_FTD && OPENTHREAD_CONFIG_MAC_CSL_TRANSMITTER_ENABLE
                 ProcessCsl(*aAckFrame, dstAddr);
+#endif
+#if OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
+                if (!GetRxOnWhenIdle() && aFrame.GetHeaderIe(CslIe::kHeaderIeId) != nullptr)
+                {
+                    Get<DataPollSender>().ResetKeepAliveTimer();
+                }
 #endif
             }
         }