diff --git a/tests/map_high_truncate_2.c b/tests/map_high_truncate_2.c
index 2a2560b..fc44a13 100644
--- a/tests/map_high_truncate_2.c
+++ b/tests/map_high_truncate_2.c
@@ -56,6 +56,7 @@
 #define TRUNCATE_POINT 0x60000000UL
 #endif
 #define HIGH_ADDR	0xa0000000UL
+#define FOURGIG		((off64_t)0x100000000ULL)
 
 int main(int argc, char *argv[])
 {
@@ -69,6 +70,12 @@ int main(int argc, char *argv[])
 
 	hpage_size = check_hugepagesize();
 
+	if (hpage_size > TRUNCATE_POINT)
+		CONFIG("Huge page size is too large");
+
+	if (TRUNCATE_POINT % hpage_size)
+		CONFIG("Truncation point is not aligned to huge page size");
+
 	check_free_huge_pages(4);
 
 	fd = hugetlbfs_unlinked_fd();