diff --git a/dlls/dinput/device.c b/dlls/dinput/device.c
index bd2064b1484..6636eae0e42 100644
--- a/dlls/dinput/device.c
+++ b/dlls/dinput/device.c
@@ -2220,7 +2220,7 @@ static BOOL CALLBACK enum_objects_init( const DIDEVICEOBJECTINSTANCEW *instance,
     return DIENUM_CONTINUE;
 }
 
-HRESULT dinput_device_init( IDirectInputDevice8W *iface )
+HRESULT dinput_device_init_device_format( IDirectInputDevice8W *iface )
 {
     struct dinput_device *impl = impl_from_IDirectInputDevice8W( iface );
     DIDATAFORMAT *format = &impl->device_format;
diff --git a/dlls/dinput/device_private.h b/dlls/dinput/device_private.h
index f23542a660c..772c5d35786 100644
--- a/dlls/dinput/device_private.h
+++ b/dlls/dinput/device_private.h
@@ -125,7 +125,7 @@ struct dinput_device
 
 extern HRESULT dinput_device_alloc( SIZE_T size, const struct dinput_device_vtbl *vtbl, const GUID *guid,
                                     struct dinput *dinput, void **out ) DECLSPEC_HIDDEN;
-extern HRESULT dinput_device_init( IDirectInputDevice8W *iface );
+extern HRESULT dinput_device_init_device_format( IDirectInputDevice8W *iface );
 extern void dinput_device_destroy( IDirectInputDevice8W *iface );
 
 extern BOOL get_app_key(HKEY*, HKEY*) DECLSPEC_HIDDEN;
diff --git a/dlls/dinput/dinput_main.c b/dlls/dinput/dinput_main.c
index 41e143ad43c..9738397ef5a 100644
--- a/dlls/dinput/dinput_main.c
+++ b/dlls/dinput/dinput_main.c
@@ -546,7 +546,7 @@ static HRESULT WINAPI dinput7_CreateDeviceEx( IDirectInput7W *iface, const GUID
 
     if (FAILED(hr)) return hr;
 
-    if (FAILED(hr = dinput_device_init( device )))
+    if (FAILED(hr = dinput_device_init_device_format( device )))
     {
         IDirectInputDevice8_Release( device );
         return hr;