diff --git a/crypto/bn/asm/ppc.pl b/crypto/bn/asm/ppc.pl
index 37c65d351..f4093177e 100644
--- a/crypto/bn/asm/ppc.pl
+++ b/crypto/bn/asm/ppc.pl
@@ -949,7 +949,7 @@ $data=<<EOF;
 	addze	r11,r0
 					#mul_add_c(a[3],b[2],c3,c1,c2);
 	$LD	r6,`3*$BNSZ`(r4)
-	$LD	r7,`2*$BNSZ`(r4)
+	$LD	r7,`2*$BNSZ`(r5)
 	$UMULL	r8,r6,r7
 	$UMULH	r9,r6,r7
 	addc	r12,r8,r12