diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5fe8d425f0e..f174778d0d9 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-07  Pierre Muller  <muller@sourceware.org>
+
+	* nios2-tdep.c (nios2_dwarf_reg_to_regnum): ARI fix: remove
+	trailing new line from warning message.
+
 2013-05-07  Pierre Muller  <muller@sourceware.org>
 
 	* contrib/ari/gdb_ari.sh (SOLIB_ADD, SOLIB_CREATE_INFERIOR_HOOK)
diff --git a/gdb/nios2-tdep.c b/gdb/nios2-tdep.c
index 055dc76900b..49f8271c48b 100644
--- a/gdb/nios2-tdep.c
+++ b/gdb/nios2-tdep.c
@@ -150,7 +150,7 @@ nios2_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dw_reg)
 {
   if (dw_reg < 0 || dw_reg > NIOS2_NUM_REGS)
     {
-      warning (_("Dwarf-2 uses unmapped register #%d\n"), dw_reg);
+      warning (_("Dwarf-2 uses unmapped register #%d"), dw_reg);
       return dw_reg;
     }