diff --git a/src/test/func/two_alloc_types/alloc1.cc b/src/test/func/two_alloc_types/alloc1.cc
index c86dcde..8937323 100644
--- a/src/test/func/two_alloc_types/alloc1.cc
+++ b/src/test/func/two_alloc_types/alloc1.cc
@@ -4,7 +4,9 @@
 #define USE_RESERVE_MULTIPLE 1
 #define NO_BOOTSTRAP_ALLOCATOR
 #define IS_ADDRESS_SPACE_CONSTRAINED
-#define SNMALLOC_EXPOSE_PAGEMAP
+#ifndef SNMALLOC_EXPOSE_PAGEMAP
+#  define SNMALLOC_EXPOSE_PAGEMAP
+#endif
 #define SNMALLOC_NAME_MANGLE(a) enclave_##a
 // Redefine the namespace, so we can have two versions.
 #define snmalloc snmalloc_enclave
diff --git a/src/test/func/two_alloc_types/alloc2.cc b/src/test/func/two_alloc_types/alloc2.cc
index 5338054..ca55707 100644
--- a/src/test/func/two_alloc_types/alloc2.cc
+++ b/src/test/func/two_alloc_types/alloc2.cc
@@ -1,7 +1,9 @@
 #undef IS_ADDRESS_SPACE_CONSTRAINED
 #define SNMALLOC_NAME_MANGLE(a) host_##a
 #define NO_BOOTSTRAP_ALLOCATOR
-#define SNMALLOC_EXPOSE_PAGEMAP
+#ifndef SNMALLOC_EXPOSE_PAGEMAP
+#  define SNMALLOC_EXPOSE_PAGEMAP
+#endif
 // Redefine the namespace, so we can have two versions.
 #define snmalloc snmalloc_host
 #include "../../../override/malloc.cc"