diff --git a/arch/i386/bits/limits.h b/arch/i386/bits/limits.h
index 65a3dd64..c340ceb2 100644
--- a/arch/i386/bits/limits.h
+++ b/arch/i386/bits/limits.h
@@ -1,6 +1,6 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define PAGE_SIZE 4096
+#define PAGESIZE 4096
 #define LONG_BIT 32
 #endif
 
diff --git a/arch/or1k/bits/limits.h b/arch/or1k/bits/limits.h
index 483b6749..3a811c99 100644
--- a/arch/or1k/bits/limits.h
+++ b/arch/or1k/bits/limits.h
@@ -1,6 +1,6 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define PAGE_SIZE 8192
+#define PAGESIZE 8192
 #define LONG_BIT 32
 #endif
 
diff --git a/arch/s390x/bits/limits.h b/arch/s390x/bits/limits.h
index 792a30b9..86ef7663 100644
--- a/arch/s390x/bits/limits.h
+++ b/arch/s390x/bits/limits.h
@@ -1,6 +1,6 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define PAGE_SIZE 4096
+#define PAGESIZE 4096
 #define LONG_BIT 64
 #endif
 
diff --git a/arch/sh/bits/limits.h b/arch/sh/bits/limits.h
index 65a3dd64..c340ceb2 100644
--- a/arch/sh/bits/limits.h
+++ b/arch/sh/bits/limits.h
@@ -1,6 +1,6 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define PAGE_SIZE 4096
+#define PAGESIZE 4096
 #define LONG_BIT 32
 #endif
 
diff --git a/arch/x32/bits/limits.h b/arch/x32/bits/limits.h
index 65a3dd64..c340ceb2 100644
--- a/arch/x32/bits/limits.h
+++ b/arch/x32/bits/limits.h
@@ -1,6 +1,6 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define PAGE_SIZE 4096
+#define PAGESIZE 4096
 #define LONG_BIT 32
 #endif
 
diff --git a/arch/x86_64/bits/limits.h b/arch/x86_64/bits/limits.h
index 792a30b9..86ef7663 100644
--- a/arch/x86_64/bits/limits.h
+++ b/arch/x86_64/bits/limits.h
@@ -1,6 +1,6 @@
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define PAGE_SIZE 4096
+#define PAGESIZE 4096
 #define LONG_BIT 64
 #endif
 
diff --git a/include/limits.h b/include/limits.h
index f9805a1e..3e476093 100644
--- a/include/limits.h
+++ b/include/limits.h
@@ -40,8 +40,8 @@
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 
 #define PIPE_BUF 4096
-#ifdef PAGE_SIZE
-#define PAGESIZE PAGE_SIZE
+#ifdef PAGESIZE
+#define PAGE_SIZE PAGESIZE
 #endif
 #define FILESIZEBITS 64
 #define NAME_MAX 255