2 files changed, 4 insertions, 3 deletions
diff --git a/arch.c b/arch.c
index 3240a6ea..9335a3a6 100644
--- a/arch.c
+++ b/arch.c
@@ -26,7 +26,7 @@ arch_valid(const char *arch, enum mandoc_os os)
 	const char *openbsd_arch[] = {
 		"alpha", "amd64", "arm64", "armv7", "hppa", "i386",
 		"landisk", "loongson", "luna88k", "macppc", "mips64",
-		"octeon", "powerpc64", "sgi", "sparc64", NULL
+		"octeon", "powerpc64", "riscv64", "sparc64", NULL
 	};
 	const char *netbsd_arch[] = {
 		"acorn26", "acorn32", "algor", "alpha", "amiga",
diff --git a/cgi.c b/cgi.c
index bdd5acf9..363b1a82 100644
--- a/cgi.c
+++ b/cgi.c
@@ -125,14 +125,15 @@ static	const char *const arch_names[] = {
     "amd64",       "alpha",       "armv7",       "arm64",
     "hppa",        "i386",        "landisk",     "loongson",
     "luna88k",     "macppc",      "mips64",      "octeon",
-    "powerpc64",   "sgi",         "socppc",      "sparc64",
+    "powerpc64",   "riscv64",     "sparc64",
 
     "amiga",       "arc",         "armish",      "arm32",
     "atari",       "aviion",      "beagle",      "cats",
     "hppa64",      "hp300",
     "ia64",        "mac68k",      "mvme68k",     "mvme88k",
     "mvmeppc",     "palm",        "pc532",       "pegasos",
-    "pmax",        "powerpc",     "solbourne",   "sparc",
+    "pmax",        "powerpc",     "sgi",         "socppc",
+    "solbourne",   "sparc",
     "sun3",        "vax",         "wgrisc",      "x68k",
     "zaurus"
 };