diff --git a/library/md5.c b/library/md5.c
index 5d972dc..e187791 100644
--- a/library/md5.c
+++ b/library/md5.c
@@ -382,12 +382,12 @@
         mbedtls_md5( md5_test_buf[i], md5_test_buflen[i], md5sum );
 
         if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )
-        {
+        { // LCOV_EXCL_START
             if( verbose != 0 )
                 mbedtls_printf( "failed\n" );
 
             return( 1 );
-        }
+        } // LCOV_EXCL_STOP
 
         if( verbose != 0 )
             mbedtls_printf( "passed\n" );