diff --git a/tests/include.ctest.sh.in b/tests/include.ctest.sh.in
index 886fec8b6..57170352e 100644
--- a/tests/include.ctest.sh.in
+++ b/tests/include.ctest.sh.in
@@ -36,5 +36,6 @@ HAVE_LIBOPENJPEG=@HAVE_LIBOPENJPEG@
 HAVE_PNG=@HAVE_PNG@
 HAVE_AEC=@HAVE_AEC@
 HAVE_EXTRA_TESTS=@HAVE_EXTRA_TESTS@
+HAVE_MEMFS=@HAVE_MEMFS@
 
 echo "Current directory: `pwd`"