diff --git a/tests/test_drhook_no_output.cmake b/tests/test_drhook_no_output.cmake
index 9efd557..4bdf0e7 100644
--- a/tests/test_drhook_no_output.cmake
+++ b/tests/test_drhook_no_output.cmake
@@ -29,7 +29,11 @@ function( run_command COMMAND )
     set( error TRUE )
     message("${stdout}")
     message("${stderr}")
-    message("Test failed. Executable should have no output")
+    if( $ENV{FIAT_TEST_IGNORE_MPI_OUTPUT} )
+      set( error FALSE )
+    else()
+      message("Test failed. Executable should have no output")
+    endif()
   endif()
 
   if( error )