diff --git a/libc/libc.arm.map b/libc/libc.arm.map
index 78bf171..f63a0da 100644
--- a/libc/libc.arm.map
+++ b/libc/libc.arm.map
@@ -1279,6 +1279,7 @@
     getsubopt; # future
     hasmntopt; # future
     lutimes; # future
+    mallopt; # future
     mblen; # future
     msgctl; # future
     msgget; # future
@@ -1551,5 +1552,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-    mallopt;
 } LIBC_O;
diff --git a/libc/libc.arm64.map b/libc/libc.arm64.map
index be073c5..f309043 100644
--- a/libc/libc.arm64.map
+++ b/libc/libc.arm64.map
@@ -1201,6 +1201,7 @@
     getsubopt; # future
     hasmntopt; # future
     lutimes; # future
+    mallopt; # future
     mblen; # future
     msgctl; # future
     msgget; # future
@@ -1268,5 +1269,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-    mallopt;
 } LIBC_O;
diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index c4bc262..6abcc44 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -1304,6 +1304,7 @@
     getsubopt; # introduced=26
     hasmntopt; # introduced=26
     lutimes; # introduced=26
+    mallopt; # introduced=26
     mblen; # introduced=26
     msgctl; # introduced=26
     msgget; # introduced=26
diff --git a/libc/libc.mips.map b/libc/libc.mips.map
index 3eda5de..0a675ce 100644
--- a/libc/libc.mips.map
+++ b/libc/libc.mips.map
@@ -1263,6 +1263,7 @@
     getsubopt; # future
     hasmntopt; # future
     lutimes; # future
+    mallopt; # future
     mblen; # future
     msgctl; # future
     msgget; # future
@@ -1392,5 +1393,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-    mallopt;
 } LIBC_O;
diff --git a/libc/libc.mips64.map b/libc/libc.mips64.map
index be073c5..f309043 100644
--- a/libc/libc.mips64.map
+++ b/libc/libc.mips64.map
@@ -1201,6 +1201,7 @@
     getsubopt; # future
     hasmntopt; # future
     lutimes; # future
+    mallopt; # future
     mblen; # future
     msgctl; # future
     msgget; # future
@@ -1268,5 +1269,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-    mallopt;
 } LIBC_O;
diff --git a/libc/libc.x86.map b/libc/libc.x86.map
index d8a8d2c..a97d4cc 100644
--- a/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@ -1261,6 +1261,7 @@
     getsubopt; # future
     hasmntopt; # future
     lutimes; # future
+    mallopt; # future
     mblen; # future
     msgctl; # future
     msgget; # future
@@ -1391,5 +1392,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-    mallopt;
 } LIBC_O;
diff --git a/libc/libc.x86_64.map b/libc/libc.x86_64.map
index be073c5..f309043 100644
--- a/libc/libc.x86_64.map
+++ b/libc/libc.x86_64.map
@@ -1201,6 +1201,7 @@
     getsubopt; # future
     hasmntopt; # future
     lutimes; # future
+    mallopt; # future
     mblen; # future
     msgctl; # future
     msgget; # future
@@ -1268,5 +1269,4 @@
     malloc_disable;
     malloc_enable;
     malloc_iterate;
-    mallopt;
 } LIBC_O;