diff --git a/tests/suites/test_suite_mpi.data b/tests/suites/test_suite_mpi.data
index 2cfc212..3fd7f2d 100644
--- a/tests/suites/test_suite_mpi.data
+++ b/tests/suites/test_suite_mpi.data
@@ -301,6 +301,9 @@
 Test mbedtls_mpi_add_mpi inplace #2 
 mbedtls_mpi_add_mpi_inplace:10:"643808006803554439230129854961492699151386107534013432918073439524138264842370630061369715394739134090922937332590384720397133335969549256322620979036686633213903952966175107096769180017646161851573147596390153":10:"1287616013607108878460259709922985398302772215068026865836146879048276529684741260122739430789478268181845874665180769440794266671939098512645241958073373266427807905932350214193538360035292323703146295192780306"
 
+Test mbedtls_mpi_add_mpi inplace #3 
+mbedtls_mpi_add_mpi_inplace:16:"ffffffffffffffffffffffffffffffff":16:"01fffffffffffffffffffffffffffffffe"
+
 Test mbedtls_mpi_add_int #1
 mbedtls_mpi_add_int:10:"2039568783564019774057658669290345772801939933143482630947726464532830627227012776329":9871232:10:"2039568783564019774057658669290345772801939933143482630947726464532830627227022647561"