diff --git a/src/util/srp.cpp b/src/util/srp.cpp
index f27f4f3f9..af68d6f54 100644
--- a/src/util/srp.cpp
+++ b/src/util/srp.cpp
@@ -612,7 +612,7 @@ SRP_Result srp_create_salted_verification_key( SRP_HashAlgorithm alg,
 			if (fill_buff() != SRP_OK) goto error_and_exit;
 		*bytes_s = (unsigned char *)srp_alloc(size_to_fill);
 		if (!*bytes_s) goto error_and_exit;
-		memcpy(*bytes_s, &g_rand_buff + g_rand_idx, size_to_fill);
+		memcpy(*bytes_s, &g_rand_buff[g_rand_idx], size_to_fill);
 		g_rand_idx += size_to_fill;
 	}