diff --git a/klibc_fixups/klibc_fixups.h b/klibc_fixups/klibc_fixups.h
index a39ec42e5f6..13011b68888 100644
--- a/klibc_fixups/klibc_fixups.h
+++ b/klibc_fixups/klibc_fixups.h
@@ -3,6 +3,7 @@
 #ifndef _KLIBC_FIXUPS_H
 #define _KLIBC_FIXUPS_H
 
+#define _KLIBC_HAS_ARCH_SIG_ATOMIC_T
 #include <unistd.h>
 
 #define _SC_PAGESIZE		0x66
diff --git a/udev.c b/udev.c
index 5064bbd1751..cac60fd932b 100644
--- a/udev.c
+++ b/udev.c
@@ -20,7 +20,6 @@
  *
  */
 
-#define _KLIBC_HAS_ARCH_SIG_ATOMIC_T
 #include <stdio.h>
 #include <stddef.h>
 #include <stdlib.h>
diff --git a/udevdb.c b/udevdb.c
index 23de22751d4..6a3357d0bbf 100644
--- a/udevdb.c
+++ b/udevdb.c
@@ -21,7 +21,6 @@
  *
  */
 
-#define _KLIBC_HAS_ARCH_SIG_ATOMIC_T
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>