diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 52454aeb67..88a25ba970 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2013-10-04  Joel Brobecker  <brobecker@adacore.com>
+
+	* procfs.c (procfs_init_inferior): Fix typo causing the build
+	to fail.
+
 2013-10-04  Joel Brobecker  <brobecker@adacore.com>
 
 	* aix-thread.c (ptrace32): Remove cast to addr_ptr.
diff --git a/gdb/procfs.c b/gdb/procfs.c
index 97bb86c165..5a425ed466 100644
--- a/gdb/procfs.c
+++ b/gdb/procfs.c
@@ -4449,7 +4449,7 @@ procfs_init_inferior (struct target_ops *ops, int pid)
      this point, but it didn't have any lwp info yet.  Notify the core
      about it.  This changes inferior_ptid as well.  */
   thread_change_ptid (pid_to_ptid (pid),
-		      ptid_build (pid, lwpid), 0);
+		      ptid_build (pid, lwpid, 0));
 
   /* Typically two, one trap to exec the shell, one to exec the
      program being debugged.  Defined by "inferior.h".  */