diff --git a/sim/bfin/ChangeLog b/sim/bfin/ChangeLog
index 29dfde8fe6e..e5b64499094 100644
--- a/sim/bfin/ChangeLog
+++ b/sim/bfin/ChangeLog
@@ -1,3 +1,7 @@
+2021-05-28  Mike Frysinger  <vapier@gentoo.org>
+
+	* dv-bfin_otp.c (bfin_otp_write_page): Shift data1 & data3 by 32-bits.
+
 2021-05-23  Mike Frysinger  <vapier@gentoo.org>
 
 	* dv-bfin_otp.c (bfin_otp_write_page): Fix args to
diff --git a/sim/bfin/dv-bfin_otp.c b/sim/bfin/dv-bfin_otp.c
index cdc010ae551..a9f768d0c0e 100644
--- a/sim/bfin/dv-bfin_otp.c
+++ b/sim/bfin/dv-bfin_otp.c
@@ -91,8 +91,8 @@ bfin_otp_write_page_val2 (struct bfin_otp *otp, bu16 page, bu64 lo, bu64 hi)
 static void
 bfin_otp_write_page (struct bfin_otp *otp, bu16 page)
 {
-  bfin_otp_write_page_val2 (otp, page, (bu64)otp->data1 | otp->data0,
-			    (bu64)otp->data3 | otp->data2);
+  bfin_otp_write_page_val2 (otp, page, ((bu64)otp->data1 << 32) | otp->data0,
+			    ((bu64)otp->data3 << 32) | otp->data2);
 }
 
 static unsigned