diff --git a/Source/Core/VideoBackends/D3D/D3DBase.cpp b/Source/Core/VideoBackends/D3D/D3DBase.cpp
index 8000f15a31..b1ba228b96 100644
--- a/Source/Core/VideoBackends/D3D/D3DBase.cpp
+++ b/Source/Core/VideoBackends/D3D/D3DBase.cpp
@@ -240,12 +240,12 @@ D3D_FEATURE_LEVEL GetFeatureLevel(IDXGIAdapter* adapter)
   return feat_level;
 }
 
-static bool SupportsS3TCTextures(ID3D11Device* device)
+static bool SupportsS3TCTextures(ID3D11Device* dev)
 {
   UINT bc1_support, bc2_support, bc3_support;
-  if (FAILED(device->CheckFormatSupport(DXGI_FORMAT_BC1_UNORM, &bc1_support)) ||
-      FAILED(device->CheckFormatSupport(DXGI_FORMAT_BC2_UNORM, &bc2_support)) ||
-      FAILED(device->CheckFormatSupport(DXGI_FORMAT_BC3_UNORM, &bc3_support)))
+  if (FAILED(dev->CheckFormatSupport(DXGI_FORMAT_BC1_UNORM, &bc1_support)) ||
+      FAILED(dev->CheckFormatSupport(DXGI_FORMAT_BC2_UNORM, &bc2_support)) ||
+      FAILED(dev->CheckFormatSupport(DXGI_FORMAT_BC3_UNORM, &bc3_support)))
   {
     return false;
   }