diff --git a/src/tests/vm/mmap-clean.ck b/src/tests/vm/mmap-clean.ck
new file mode 100644
index 0000000000000000000000000000000000000000..1666d6cd469b93d1190681cae13bd8b51f24a221
--- /dev/null
+++ b/src/tests/vm/mmap-clean.ck
@@ -0,0 +1,16 @@
+# -*- perl -*-
+use strict;
+use warnings;
+use tests::tests;
+check_expected (IGNORE_EXIT_CODES => 1, [<<'EOF']);
+(mmap-clean) begin
+(mmap-clean) open "sample.txt"
+(mmap-clean) mmap "sample.txt"
+(mmap-clean) write "sample.txt"
+(mmap-clean) munmap "sample.txt"
+(mmap-clean) seek "sample.txt"
+(mmap-clean) read "sample.txt"
+(mmap-clean) file change was retained after munmap
+(mmap-clean) end
+EOF
+pass;