2 files changed, 2 insertions, 0 deletions
diff --git a/libc/stdlib/malloc/free.c b/libc/stdlib/malloc/free.c
index eb35e78ee..81ec38cd9 100644
--- a/libc/stdlib/malloc/free.c
+++ b/libc/stdlib/malloc/free.c
@@ -12,6 +12,7 @@
  */
 
 #define munmap __munmap
+#define sbrk __sbrk
 
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/libc/stdlib/malloc/malloc.c b/libc/stdlib/malloc/malloc.c
index 44eb2c66f..6bc8d8773 100644
--- a/libc/stdlib/malloc/malloc.c
+++ b/libc/stdlib/malloc/malloc.c
@@ -12,6 +12,7 @@
  */
 
 #define mmap __mmap
+#define sbrk __sbrk
 
 #include <stdlib.h>
 #include <unistd.h>