1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/libcrypto/bn/asm/x86-mont.pl b/src/lib/libcrypto/bn/asm/x86-mont.pl
index 5cd3cd2ed5..e8f6b05084 100755
--- a/src/lib/libcrypto/bn/asm/x86-mont.pl
+++ b/src/lib/libcrypto/bn/asm/x86-mont.pl
@@ -527,8 +527,10 @@ $sbit=$num;
         &jle    (&label("sqradd"));
 
         &mov    ($carry,"edx");
-        &lea    ("edx",&DWP(0,$sbit,"edx",2));
+        &add    ("edx","edx");
         &shr    ($carry,31);
+        &add    ("edx",$sbit);
+        &adc    ($carry,0);
 &set_label("sqrlast");
         &mov    ($word,$_n0);
         &mov    ($inp,$_np);