diff --git a/Source/Plugins/Plugin_PadDX9/Src/DIHandler.cpp b/Source/Plugins/Plugin_PadDX9/Src/DIHandler.cpp
index ef734ed38a..d6b73b7bdf 100644
--- a/Source/Plugins/Plugin_PadDX9/Src/DIHandler.cpp
+++ b/Source/Plugins/Plugin_PadDX9/Src/DIHandler.cpp
@@ -22,7 +22,7 @@
 #include <math.h>
 
 #include "PluginSpecs_Pad.h"
-#include "multidi.h"
+#include "MultiDI.h"
 #include "DIHandler.h" 
 
 /////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/Source/Plugins/Plugin_PadDX9/Src/multidi.cpp b/Source/Plugins/Plugin_PadDX9/Src/MultiDI.cpp
similarity index 100%
rename from Source/Plugins/Plugin_PadDX9/Src/multidi.cpp
rename to Source/Plugins/Plugin_PadDX9/Src/MultiDI.cpp
diff --git a/Source/Plugins/Plugin_PadDX9/Src/multidi.h b/Source/Plugins/Plugin_PadDX9/Src/MultiDI.h
similarity index 100%
rename from Source/Plugins/Plugin_PadDX9/Src/multidi.h
rename to Source/Plugins/Plugin_PadDX9/Src/MultiDI.h
diff --git a/Source/Plugins/Plugin_PadDX9/Src/main.cpp b/Source/Plugins/Plugin_PadDX9/Src/main.cpp
index 209b7b4b20..9e8ef3cf58 100644
--- a/Source/Plugins/Plugin_PadDX9/Src/main.cpp
+++ b/Source/Plugins/Plugin_PadDX9/Src/main.cpp
@@ -26,7 +26,7 @@
 #include "AboutDlg.h"
 #include "ConfigDlg.h"
 
-#include "multidi.h"
+#include "MultiDI.h"
 #include "DIHandler.h"
 
 /////////////////////////////////////////////////////////////////////////////////////////////////////