diff --git a/dlls/setupapi/devinst.c b/dlls/setupapi/devinst.c
index 318dcdfb0ba..2669544bd9f 100644
--- a/dlls/setupapi/devinst.c
+++ b/dlls/setupapi/devinst.c
@@ -3712,6 +3712,19 @@ BOOL WINAPI SetupDiSetDeviceInstallParamsA(
     return TRUE;
 }
 
+/***********************************************************************
+ *              SetupDiSetDeviceInstallParamsW  (SETUPAPI.@)
+ */
+BOOL WINAPI SetupDiSetDeviceInstallParamsW(
+       HDEVINFO DeviceInfoSet,
+       PSP_DEVINFO_DATA DeviceInfoData,
+       PSP_DEVINSTALL_PARAMS_W DeviceInstallParams)
+{
+    FIXME("(%p, %p, %p) stub\n", DeviceInfoSet, DeviceInfoData, DeviceInstallParams);
+
+    return TRUE;
+}
+
 static HKEY SETUPDI_OpenDevKey(struct DeviceInfo *devInfo, REGSAM samDesired)
 {
     HKEY enumKey, key = INVALID_HANDLE_VALUE;
diff --git a/dlls/setupapi/setupapi.spec b/dlls/setupapi/setupapi.spec
index 4486994fd55..9bfaaddb67d 100644
--- a/dlls/setupapi/setupapi.spec
+++ b/dlls/setupapi/setupapi.spec
@@ -387,7 +387,7 @@
 @ stdcall SetupDiSetClassInstallParamsA(ptr ptr ptr long)
 @ stdcall SetupDiSetClassInstallParamsW(ptr ptr ptr long)
 @ stdcall SetupDiSetDeviceInstallParamsA(ptr ptr ptr)
-@ stub SetupDiSetDeviceInstallParamsW
+@ stdcall SetupDiSetDeviceInstallParamsW(ptr ptr ptr)
 @ stdcall SetupDiSetDeviceRegistryPropertyA(ptr ptr long ptr ptr)
 @ stdcall SetupDiSetDeviceRegistryPropertyW(ptr ptr long ptr ptr)
 @ stub SetupDiSetDriverInstallParamsA