diff --git a/stand/kboot/arch/amd64/syscall_nr.h b/stand/kboot/arch/amd64/syscall_nr.h
index 193368364bf3..412fed5001b9 100644
--- a/stand/kboot/arch/amd64/syscall_nr.h
+++ b/stand/kboot/arch/amd64/syscall_nr.h
@@ -1,14 +1,14 @@
-#define SYS_read		  0
-#define SYS_write		  1
-#define SYS_open		  2
 #define SYS_close		  3
-#define SYS_gettimeofday	 96
-#define SYS_reboot		169
-#define SYS_mmap		  9
-#define SYS_uname		 63
-#define SYS_lseek		  8
 #define SYS_getdents		 78
+#define SYS_gettimeofday	 96
+#define SYS_lseek		  8
+#define SYS_mmap		  9
+#define SYS_open		  2
+#define SYS_read		  0
+#define SYS_reboot		169
 #define SYS_select		 23
+#define SYS_uname		 63
+#define SYS_write		  1
 #define __NR_kexec_load		246
 
 #define KEXEC_ARCH_X86_64	 62
diff --git a/stand/kboot/arch/powerpc64/syscall_nr.h b/stand/kboot/arch/powerpc64/syscall_nr.h
index 2854124153a2..1b24ec6165f7 100644
--- a/stand/kboot/arch/powerpc64/syscall_nr.h
+++ b/stand/kboot/arch/powerpc64/syscall_nr.h
@@ -1,14 +1,14 @@
-#define SYS_read		  3
-#define SYS_write		  4
-#define SYS_open		  5
 #define SYS_close		  6
-#define SYS_gettimeofday	 78
-#define SYS_reboot		 88
-#define SYS_mmap		 90
-#define SYS_uname		120
-#define SYS_llseek		140
 #define SYS_getdents		141
+#define SYS_gettimeofday	 78
+#define SYS_llseek		140
+#define SYS_mmap		 90
+#define SYS_open		  5
+#define SYS_read		  3
+#define SYS_reboot		 88
 #define SYS_select		142
+#define SYS_uname		120
+#define SYS_write		  4
 #define __NR_kexec_load		268
 
 #define KEXEC_ARCH_PPC64	 21