diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index 7e30ae7471a..7c34948c463 100644
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -338,7 +338,6 @@ static const struct pd_reg pre_defined_registers[] =
   { "ctr", 9, PPC_OPERAND_SPR },
   { "dar", 19, PPC_OPERAND_SPR },
   { "dec", 22, PPC_OPERAND_SPR },
-  { "dsisr", 18, PPC_OPERAND_SPR },
 
   /* Dense Math Registers.  */
   { "dm0", 0, PPC_OPERAND_DMR },
@@ -350,6 +349,8 @@ static const struct pd_reg pre_defined_registers[] =
   { "dm6", 6, PPC_OPERAND_DMR },
   { "dm7", 7, PPC_OPERAND_DMR },
 
+  { "dsisr", 18, PPC_OPERAND_SPR },
+
   /* Floating point registers */
   { "f.0", 0, PPC_OPERAND_FPR },
   { "f.1", 1, PPC_OPERAND_FPR },