diff --git a/Source/Core/Core/HW/SI_DeviceGCAdapter.cpp b/Source/Core/Core/HW/SI_DeviceGCAdapter.cpp
index 280a85e465..35bc93e2fb 100644
--- a/Source/Core/Core/HW/SI_DeviceGCAdapter.cpp
+++ b/Source/Core/Core/HW/SI_DeviceGCAdapter.cpp
@@ -8,6 +8,7 @@
 #include "Common/Logging/Log.h"
 #include "Common/MsgHandler.h"
 #include "Core/ConfigManager.h"
+#include "Core/Core.h"
 #include "Core/HW/GCPad.h"
 #include "Core/HW/SI_DeviceGCAdapter.h"
 #include "Core/NetPlayProto.h"
@@ -41,12 +42,11 @@ GCPadStatus CSIDevice_GCAdapter::GetPadStatus()
 
 int CSIDevice_GCAdapter::RunBuffer(u8* buffer, int length)
 {
-  if (!NetPlay::IsNetPlayRunning())
+  if (!Core::g_want_determinism)
   {
-    // The previous check is a hack to prevent a netplay desync due to
-    // SI devices being different and returning different values on
-    // RunBuffer(); the corresponding code in GCAdapter.cpp has the same
-    // check.
+    // The previous check is a hack to prevent a desync due to SI devices
+    // being different and returning different values on RunBuffer();
+    // the corresponding code in GCAdapter.cpp has the same check.
 
     // This returns an error value if there is no controller plugged
     // into this port on the hardware gc adapter, exposing it to the game.
diff --git a/Source/Core/InputCommon/GCAdapter.cpp b/Source/Core/InputCommon/GCAdapter.cpp
index b86b0aa4c5..7c450d4288 100644
--- a/Source/Core/InputCommon/GCAdapter.cpp
+++ b/Source/Core/InputCommon/GCAdapter.cpp
@@ -453,9 +453,9 @@ void Input(int chan, GCPadStatus* pad)
       pad->triggerLeft = controller_payload_copy[1 + (9 * chan) + 7];
       pad->triggerRight = controller_payload_copy[1 + (9 * chan) + 8];
     }
-    else if (!NetPlay::IsNetPlayRunning())
+    else if (!Core::g_want_determinism)
     {
-      // This is a hack to prevent a netplay desync due to SI devices
+      // This is a hack to prevent a desync due to SI devices
       // being different and returning different values.
       // The corresponding code in DeviceGCAdapter has the same check
       pad->button = PAD_ERR_STATUS;