diff --git a/src/Makefile.VC b/src/Makefile.VC
index 125cbbaef6afcb7b6bd63f4f68c85a88f216c064..2af1190deec6fbe360d3ef591c7883577349391b 100644
--- a/src/Makefile.VC
+++ b/src/Makefile.VC
@@ -3,7 +3,22 @@ device_server= RetrigAO
 #
 INCUSER= /I$(D2KDASK_INC) /I$(PCISDASK_INC)
 #
-LIBUSER= $(ASL_LIB)/asl.lib $(ACE_LIB)/ace.lib
+# LIBUSER = "x:\moncheminlibrairie\malibrairie.lib"
+LIBUSER=  $(ACE_LIB)\ace.lib \
+          $(ASL_LIB)\asl.lib
+
+!ifdef DEBUG
+!message "Using libraries in Debug..."
+LIBUSER=  $(ACE_LIB)\aced.lib \
+          $(ASL_LIB)\asld.lib
+
+
+!else
+!message "Using libraries in Release..."
+LIBUSER=  $(ACE_LIB)\ace.lib \
+          $(ASL_LIB)\asl.lib
+
+!endif		
 
 #
 # ------------------Fin des modifications pour le end user -------------------------------------