diff --git a/cr_hsm_code.c b/cr_hsm_code.c
index 13abc75..a0d3913 100644
--- a/cr_hsm_code.c
+++ b/cr_hsm_code.c
@@ -913,7 +913,7 @@ int hsm_ecdsa_sign( unsigned char *sign_buf, int *sign_size, unsigned char *data
 	memcpy( &sign_buf[4], &rPtr[2], 0x1E );
 	sign_buf[0x22] = 0x02;
 	sign_buf[0x23] = 0x1E;
-	memcpy( &sign_buf[0x24], &sPtr[2], 0x40 + 2 );	
+	memcpy( &sign_buf[0x24], &sPtr[2], 0x1E );	
 	*sign_size = 0x40 + 2;
 	DEBUG_PRINT_ARRAY( (char*)"sign(HSM)", (const char *)sign_buf, *sign_size );