diff --git a/ares/ps1/peripheral/peripheral.cpp b/ares/ps1/peripheral/peripheral.cpp
index 881c9d0b5..f9c406dfd 100644
--- a/ares/ps1/peripheral/peripheral.cpp
+++ b/ares/ps1/peripheral/peripheral.cpp
@@ -55,6 +55,11 @@ auto Peripheral::power(bool reset) -> void {
   Thread::reset();
   Memory::Interface::setWaitStates(4, 4, 4);
   io = {};
+  io.transmitStarted = 1;
+  io.transmitFinished = 1;
+  io.acknowledgeAsserted = 0;
+  io.baudrateReloadFactor = 1;
+  io.baudrateReloadValue = 0x88;
 }
 
 }
diff --git a/ares/ps1/peripheral/peripheral.hpp b/ares/ps1/peripheral/peripheral.hpp
index e2e197019..2a58c9a48 100644
--- a/ares/ps1/peripheral/peripheral.hpp
+++ b/ares/ps1/peripheral/peripheral.hpp
@@ -42,9 +42,9 @@ struct Peripheral : Thread, Memory::Interface {
     n8 transmitData;
 
     //JOY_STAT
-    n1 transmitStarted = 1;
-    n1 transmitFinished = 1;
-    n1 acknowledgeAsserted = 0;
+    n1 transmitStarted;
+    n1 transmitFinished;
+    n1 acknowledgeAsserted;
     n1 parityError;
     n1 interruptRequest;