diff --git a/sysdeps/unix/sysv/aix/sbrk.c b/sysdeps/unix/sysv/aix/sbrk.c
new file mode 100644
index 0000000000..9e4b5605c7
--- /dev/null
+++ b/sysdeps/unix/sysv/aix/sbrk.c
@@ -0,0 +1,8 @@
+/* This is a system call.  We only have to provide the wrapper.  */
+#include <unistd.h>
+
+void *
+__sbrk (ptrdiff_t delta)
+{
+  return sbrk (delta);
+}