diff --git a/ssl/s3_enc.c b/ssl/s3_enc.c
index ad367c0e7..9e442a1f1 100644
--- a/ssl/s3_enc.c
+++ b/ssl/s3_enc.c
@@ -504,7 +504,10 @@ int ssl3_mac(SSL *ssl, unsigned char *md, int send)
 	EVP_DigestFinal( &md_ctx,md,&md_size);
 
 	for (i=7; i>=0; i--)
-		if (++seq[i]) break; 
+		{
+		++seq[i];
+		if (seq[i] != 0) break; 
+		}
 
 	return(md_size);
 	}
diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
index 26496d709..3077e9b9b 100644
--- a/ssl/t1_enc.c
+++ b/ssl/t1_enc.c
@@ -643,7 +643,10 @@ printf("rec=");
 #endif
 
 	for (i=7; i>=0; i--)
-		if (++seq[i]) break; 
+		{
+		++seq[i];
+		if (seq[i] != 0) break; 
+		}
 
 #ifdef TLS_DEBUG
 {unsigned int z; for (z=0; z<md_size; z++) printf("%02X ",md[z]); printf("\n"); }