diff --git a/client/fingerprint/storage_windows.go b/client/fingerprint/storage_windows.go
index 457b09b58..716f1baf0 100644
--- a/client/fingerprint/storage_windows.go
+++ b/client/fingerprint/storage_windows.go
@@ -6,7 +6,7 @@ import (
 	"syscall"
 )
 
-//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zstorage_windows.generated.go storage_windows.go
+//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zstorage_windows.go storage_windows.go
 
 //sys	getDiskFreeSpaceEx(dirName *uint16, availableFreeBytes *uint64, totalBytes *uint64, totalFreeBytes *uint64) (err error) = kernel32.GetDiskFreeSpaceExW
 
diff --git a/client/fingerprint/zstorage_windows.go b/client/fingerprint/zstorage_windows.go
new file mode 100644
index 000000000..52405b3f2
--- /dev/null
+++ b/client/fingerprint/zstorage_windows.go
@@ -0,0 +1,26 @@
+// MACHINE GENERATED BY 'go generate' COMMAND; DO NOT EDIT
+
+package fingerprint
+
+import "unsafe"
+import "syscall"
+
+var _ unsafe.Pointer
+
+var (
+	modkernel32 = syscall.NewLazyDLL("kernel32.dll")
+
+	procGetDiskFreeSpaceExW = modkernel32.NewProc("GetDiskFreeSpaceExW")
+)
+
+func getDiskFreeSpaceEx(dirName *uint16, availableFreeBytes *uint64, totalBytes *uint64, totalFreeBytes *uint64) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetDiskFreeSpaceExW.Addr(), 4, uintptr(unsafe.Pointer(dirName)), uintptr(unsafe.Pointer(availableFreeBytes)), uintptr(unsafe.Pointer(totalBytes)), uintptr(unsafe.Pointer(totalFreeBytes)), 0, 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = error(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}