diff --git a/src/cpu/testers/memtest/memtest.cc b/src/cpu/testers/memtest/memtest.cc
index 6dc2ccb73f..d949178c26 100644
--- a/src/cpu/testers/memtest/memtest.cc
+++ b/src/cpu/testers/memtest/memtest.cc
@@ -170,7 +170,7 @@ MemTest::completeRequest(PacketPtr pkt)
             pkt->isError() ? "error" : "success");
 
     MemTestSenderState *state =
-        dynamic_cast<MemTestSenderState *>(pkt->senderState);
+        safe_cast<MemTestSenderState *>(pkt->senderState);
 
     uint8_t *data = state->data;
     uint8_t *pkt_data = pkt->getPtr<uint8_t>();
diff --git a/src/mem/packet.cc b/src/mem/packet.cc
index 5b08342858..8bbd7ff18e 100644
--- a/src/mem/packet.cc
+++ b/src/mem/packet.cc
@@ -189,7 +189,7 @@ Packet::checkFunctional(Printable *obj, Addr addr, bool is_secure, int size,
 
     // check print first since it doesn't require data
     if (isPrint()) {
-        dynamic_cast<PrintReqState*>(senderState)->printObj(obj);
+        safe_cast<PrintReqState*>(senderState)->printObj(obj);
         return false;
     }