diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1f88eb62aab..52454aeb677 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-04  Joel Brobecker  <brobecker@adacore.com>
+
+	* aix-thread.c (ptrace32): Remove cast to addr_ptr.
+
 2013-10-04  Joel Brobecker  <brobecker@adacore.com>
 
 	* mi/mi-main.c (run_one_inferior): Add function description.
diff --git a/gdb/aix-thread.c b/gdb/aix-thread.c
index 97a5ab382a5..31c14e009cc 100644
--- a/gdb/aix-thread.c
+++ b/gdb/aix-thread.c
@@ -264,7 +264,7 @@ ptrace32 (int req, int id, addr_ptr addr, int data, int *buf)
 {
   errno = 0;
   return ptrace_check (req, id, 
-		       ptrace (req, id, (addr_ptr) addr, data, buf));
+		       ptrace (req, id, addr, data, buf));
 }
 
 /* If *PIDP is a composite process/thread id, convert it to a