--- a/project.mak
+++ b/project.mak
@@ -112,7 +112,7 @@
 
 ifeq ($(INSTMETH),findlib)
 install:
-	$(OCAMLFIND) install -destdir "$(INSTALLDIR)" zarith META $(TOINSTALL) -optional dllzarith.$(DLLSUFFIX)
+	$(OCAMLFIND) install -destdir "$(INSTALLDIR)" -ldconf "$(LDCONF)" zarith META $(TOINSTALL) -optional dllzarith.$(DLLSUFFIX)
 
 uninstall:
 	$(OCAMLFIND) remove -destdir "$(INSTALLDIR)" zarith