diff --git a/drivers/platform/x86/surface3-wmi.c b/drivers/platform/x86/surface3-wmi.c
index 6ac1d1349d7e..25b176996cb7 100644
--- a/drivers/platform/x86/surface3-wmi.c
+++ b/drivers/platform/x86/surface3-wmi.c
@@ -139,7 +139,7 @@ static acpi_status s3_wmi_attach_spi_device(acpi_handle handle,
 
 static int s3_wmi_check_platform_device(struct device *dev, void *data)
 {
-	struct acpi_device *adev, *ts_adev;
+	struct acpi_device *adev, *ts_adev = NULL;
 	acpi_handle handle;
 	acpi_status status;