diff --git a/unix/uxutils.h b/unix/uxutils.h
index 178b3751..c9acff53 100644
--- a/unix/uxutils.h
+++ b/unix/uxutils.h
@@ -10,6 +10,12 @@
 #ifndef PUTTY_UXUTILS_H
 #define PUTTY_UXUTILS_H
 
+#if defined __APPLE__
+#ifdef HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
+#endif /* defined __APPLE__ */
+
 #if defined __arm__ || defined __aarch64__
 
 #ifdef HAVE_SYS_TYPES_H
@@ -24,10 +30,6 @@
 #include <asm/hwcap.h>
 #endif
 
-#ifdef HAVE_SYS_SYSCTL_H
-#include <sys/sysctl.h>
-#endif
-
 #if defined HAVE_GETAUXVAL
 /* No code needed: getauxval has just the API we want already */
 #elif defined HAVE_ELF_AUX_INFO