diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp
index 42c6dddae2..0c1dd43d13 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.cpp
@@ -112,7 +112,7 @@ IPCCommandResult CWII_IPC_HLE_Device_stm_eventhook::IOCtl(u32 command_address)
   return GetNoReply();
 }
 
-void CWII_IPC_HLE_Device_stm_eventhook::ResetButton()
+void CWII_IPC_HLE_Device_stm_eventhook::ResetButton() const
 {
   if (!m_Active || m_event_hook_address == 0)
   {
diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.h b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.h
index a305e2d0f0..fa9153c25e 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.h
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_stm.h
@@ -59,7 +59,7 @@ public:
   IPCCommandResult Close(u32 command_address, bool force) override;
   IPCCommandResult IOCtl(u32 command_address) override;
 
-  void ResetButton();
+  void ResetButton() const;
 
   // STATE_TO_SAVE
   u32 m_event_hook_address = 0;