diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 2c4dc8fc8e5..3b16582db50 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -1978,7 +1978,7 @@
   ""
   "sf %L0,%L2,%L1\;sfe %0,%2,%1")
 
-(define_insn "negdi3"
+(define_insn "negdi2"
   [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
 	(neg:DI (match_operand:DI 1 "gpc_reg_operand" "r")))]
   ""