diff --git a/malloc/Makefile b/malloc/Makefile
index a9a0e87264..cc012e2921 100644
--- a/malloc/Makefile
+++ b/malloc/Makefile
@@ -137,6 +137,7 @@ tests-exclude-hugetlb1 = \
   tst-mallocfork2 \
   tst-mallocfork3 \
   tst-mallocstate \
+  tst-mxfast \
 # tests-exclude-hugetlb1
 # The tst-free-errno relies on the used malloc page size to mmap an
 # overlapping region.