diff --git a/util/x86/x86_page_tables.go b/util/x86/x86_page_tables.go
index 22793654f0..2dc0ed36ff 100644
--- a/util/x86/x86_page_tables.go
+++ b/util/x86/x86_page_tables.go
@@ -23,6 +23,7 @@ import "fmt"
 import "io"
 import "log"
 import "os"
+import "path/filepath"
 import "sort"
 import "strconv"
 import "strings"
@@ -174,8 +175,13 @@ func (cw *cWriter) WritePageEntry(data interface{}) error {
 
 	if cw.currentIndex == 0 {
 		if _, err := fmt.Fprint(cw.wr, generatedCodeLicense); err != nil {
-		return err
-	}
+			return err
+		}
+		if _, err := fmt.Fprintf(cw.wr, "/* Generated by:\n  util/x86/%s %s\n */\n",
+			filepath.Base(os.Args[0]),
+			strings.Join(os.Args[1:], " ")); err != nil {
+			return err
+		}
 		includes := []string{
 			"stdint.h",
 		}