diff --git a/libc/bionic/stubs.cpp b/libc/bionic/stubs.cpp
index 707036a..2c2b74b 100644
--- a/libc/bionic/stubs.cpp
+++ b/libc/bionic/stubs.cpp
@@ -480,7 +480,7 @@
   UNIMPLEMENTED;
 }
 
-// Portable code should use sysconf(_SC_PAGESIZE) directly instead.
+// Portable code should use sysconf(_SC_PAGE_SIZE) directly instead.
 int getpagesize() {
-  return sysconf(_SC_PAGESIZE);
+  return sysconf(_SC_PAGE_SIZE);
 }