--- a/src/modules/bugs/functions/Makefile.am
+++ b/src/modules/bugs/functions/Makefile.am
@@ -13,7 +13,7 @@
 ArcCos.cc ArcSin.cc ArcTan.cc ArcCosh.cc ArcSinh.cc ArcTanh.cc		\
 InterpLin.cc Round.cc Trunc.cc Equals.cc Prod.cc MatMult.cc	\
 Transpose.cc DSumFunc.cc DIntervalFunc.cc DPQFunction.cc DFunction.cc	\
-PFunction.cc QFunction.cc DRoundFunc.cc IfElse.cc
+PFunction.cc QFunction.cc DRoundFunc.cc IfElse.cc Order.cc
 
 noinst_HEADERS = LogGam.h Phi.h Sum.h Log.h Logit.h Probit.h CLogLog.h	\
 InProd.h Max.h SD.h ICLogLog.h Mean.h Sqrt.h ILogit.h Min.h Step.h	\
@@ -21,4 +21,5 @@
 Tan.h Cosh.h Sinh.h Tanh.h ArcCos.h ArcSin.h ArcTan.h ArcCosh.h		\
 ArcSinh.h ArcTanh.h InterpLin.h Round.h Trunc.h Equals.h Prod.h	\
 MatMult.h Transpose.h DSumFunc.h DIntervalFunc.h \
-DPQFunction.h DFunction.h PFunction.h QFunction.h DRoundFunc.h IfElse.h
+DPQFunction.h DFunction.h PFunction.h QFunction.h DRoundFunc.h IfElse.h \
+Order.h