diff --git a/libc/sock/inet_ntop.c b/libc/sock/inet_ntop.c
index afbc88d94..fd5e58c97 100644
--- a/libc/sock/inet_ntop.c
+++ b/libc/sock/inet_ntop.c
@@ -27,7 +27,7 @@
  * @param af can be AF_INET or AF_INET6
  * @param src is the binary-encoded address, e.g. &addr->sin_addr
  * @param dst is the output string buffer
- * @param size needs to be 16+ for IPv4 and 72+ for IPv6
+ * @param size needs to be 16+ for IPv4 and 46+ for IPv6
  * @return dst on success or NULL w/ errno
  */
 const char *inet_ntop(int af, const void *src, char *dst, uint32_t size) {
@@ -52,7 +52,7 @@ const char *inet_ntop(int af, const void *src, char *dst, uint32_t size) {
         enospc();
       }
     } else if (af == AF_INET6) {
-      if (size >= 16 * 4 + 8) {
+      if (size >= 46) {
         t = 0;
         i = 0;
         for (i = 0; i < 16; i += 2) {
diff --git a/test/libc/sock/inet_ntop_test.c b/test/libc/sock/inet_ntop_test.c
index a98ab7671..cb8d51422 100644
--- a/test/libc/sock/inet_ntop_test.c
+++ b/test/libc/sock/inet_ntop_test.c
@@ -56,14 +56,14 @@ TEST(inet_ntop, testNoSpace) {
 }
 
 TEST(inet_ntop, ipv6_testMin_isJustColons) {
-  char buf[72];
+  char buf[46];
   uint8_t ip[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
   EXPECT_STREQ("::", inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
 }
 
 TEST(inet_ntop, ipv6_testMax) {
-  char buf[72];
+  char buf[46];
   uint8_t ip[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
   EXPECT_STREQ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
@@ -71,14 +71,14 @@ TEST(inet_ntop, ipv6_testMax) {
 }
 
 TEST(inet_ntop, ipv6_loopback_isColonsThenJustOne) {
-  char buf[72];
+  char buf[46];
   uint8_t ip[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
   EXPECT_STREQ("::1", inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
 }
 
 TEST(inet_ntop, ipv6_rfc4291example) {
-  char buf[72];
+  char buf[46];
   uint8_t ip[16] = {0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
                     0x00, 0x08, 0x08, 0x00, 0x20, 0x0C, 0x41, 0x7A};
   EXPECT_STREQ("2001:db8::8:800:200c:417a",
@@ -86,14 +86,14 @@ TEST(inet_ntop, ipv6_rfc4291example) {
 }
 
 TEST(inet_ntop, ipv6_leading) {
-  char buf[72];
+  char buf[46];
   uint8_t ip[16] = {0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
   EXPECT_STREQ("1::", inet_ntop(AF_INET6, ip, buf, sizeof(buf)));
 }
 
 TEST(inet_ntop, ipv6_kindOfLeading) {
-  char buf[72];
+  char buf[46];
   uint8_t ip[16] = {0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
   EXPECT_STREQ("100::", inet_ntop(AF_INET6, ip, buf, sizeof(buf)));