diff --git a/Make.inc.in b/Make.inc.in
index ce7724b2..16685aa9 100644
--- a/Make.inc.in
+++ b/Make.inc.in
@@ -70,8 +70,9 @@ EXTRALIBS=@EXTRA_LIBS@
 
 
 #
-#AMGCDEFINES=$(MUMPSFLAGS) $(SLUFLAGS) $(UMFFLAGS) $(SLUDISTFLAGS) $(PSBCDEFINES)
-#CDEFINES=$(AMGCDEFINES)
+AMGCDEFINES=$(MUMPSFLAGS) $(SLUFLAGS) $(UMFFLAGS) $(SLUDISTFLAGS)
+#$(PSBCDEFINES)
+CDEFINES=$(AMGCDEFINES)
 AMGFDEFINES=@AMGFDEFINES@ $(PSBFDEFINES)
 FDEFINES=$(AMGFDEFINES)