diff --git a/Makefile b/Makefile
index 41caa3cd..5f17e119 100644
--- a/Makefile
+++ b/Makefile
@@ -5,8 +5,9 @@ all: libd based precd kryld utild cbindd
 	@echo "PSBLAS libraries Compilation Successful."
 
 based: libd
-precd utild: based
-kryld: precd based
+precd: based
+utild: based	
+kryld: precd 
 
 cbindd: precd kryld utild 
 
@@ -15,7 +16,7 @@ libd:
 	(if test ! -d include ; then mkdir include; fi; $(INSTALL_DATA) Make.inc  include/Make.inc.psblas)
 	(if test ! -d modules ; then mkdir modules; fi;)	
 based:
-	$(MAKE) -C  base lib
+	$(MAKE) -C base lib
 precd:
 	$(MAKE) -C prec lib
 kryld:
diff --git a/prec/Makefile b/prec/Makefile
index ec5892fe..55a81cd5 100644
--- a/prec/Makefile
+++ b/prec/Makefile
@@ -65,8 +65,9 @@ psb_s_ainv_fact_mod.o: psb_prec_const_mod.o psb_ainv_tools_mod.o
 psb_c_ainv_fact_mod.o: psb_prec_const_mod.o psb_ainv_tools_mod.o
 psb_z_ainv_fact_mod.o: psb_prec_const_mod.o psb_ainv_tools_mod.o
 psb_ainv_tools_mod.o: psb_c_ainv_tools_mod.o psb_d_ainv_tools_mod.o psb_s_ainv_tools_mod.o psb_z_ainv_tools_mod.o
-psb_biconjg_mod.o: psb_prec_const_mod.o psb_c_biconjg_mod.o \
+psb_biconjg_mod.o: psb_c_biconjg_mod.o \
 	psb_d_biconjg_mod.o psb_s_biconjg_mod.o psb_z_biconjg_mod.o
+psb_c_biconjg_mod.o psb_d_biconjg_mod.o psb_s_biconjg_mod.o psb_z_biconjg_mod.o:  psb_prec_const_mod.o
 psb_c_invt_fact_mod.o: psb_prec_const_mod.o psb_c_ilu_fact_mod.o
 psb_d_invt_fact_mod.o: psb_prec_const_mod.o psb_d_ilu_fact_mod.o
 psb_s_invt_fact_mod.o: psb_prec_const_mod.o psb_s_ilu_fact_mod.o