diff --git a/ConfMakefile.in b/ConfMakefile.in
index 5a1e9ea..b562698 100644
--- a/ConfMakefile.in
+++ b/ConfMakefile.in
@@ -37,9 +37,9 @@ OCAMLLIB=@OCAMLLIB@
 OCAMLFIND_COMMANDS = "ocamlc=@OCAMLC@ \
 	ocamlopt=@OCAMLOPT@ \
 	ocamldep=@OCAMLDEP@"
-OCAMLC       = @OCAMLFIND@ ocamlc 
-OCAMLOPT     = @OCAMLFIND@ ocamlopt
-OCAMLDEP     = @OCAMLFIND@ ocamldep
+OCAMLC       = @OCAMLFIND@ ocamlc -unsafe-string 
+OCAMLOPT     = @OCAMLFIND@ ocamlopt -unsafe-string
+OCAMLDEP     = @OCAMLFIND@ ocamldep -unsafe-string
 OCAMLBEST    = @OCAMLBEST@
 OCAMLVERSION = @OCAMLVERSION@
 OCAMLFIND    = @OCAMLFIND@