diff --git a/crypto/sha/asm/sha1-586.pl b/crypto/sha/asm/sha1-586.pl
index 9fe1a7554..4f8521f1e 100644
--- a/crypto/sha/asm/sha1-586.pl
+++ b/crypto/sha/asm/sha1-586.pl
@@ -410,7 +410,7 @@ sub sha1_block_data
 	&mov(&DWP(16,$tmp1,"",0),$E);
 	 &cmp("esi","eax");
 	&mov(&DWP( 4,$tmp1,"",0),$B);
-	 &jl(&label("start"));
+	 &jb(&label("start"));
 
 	&stack_pop(18+9);
 	 &pop("edi");