diff --git a/compiler-rt/lib/scudo/standalone/tests/map_test.cpp b/compiler-rt/lib/scudo/standalone/tests/map_test.cpp
index 095e1b6a5d2a..ff05258db58d 100644
--- a/compiler-rt/lib/scudo/standalone/tests/map_test.cpp
+++ b/compiler-rt/lib/scudo/standalone/tests/map_test.cpp
@@ -17,7 +17,7 @@ static const char *MappingName = "scudo:test";
 
 TEST(ScudoMapTest, PageSize) {
   EXPECT_EQ(scudo::getPageSizeCached(),
-            static_cast<scudo::uptr>(getpagesize()));
+            static_cast<scudo::uptr>(sysconf(_SC_PAGESIZE)));
 }
 
 TEST(ScudoMapDeathTest, MapNoAccessUnmap) {