diff --git a/pkgs/development/tools/ocaml/findlib/default.nix b/pkgs/development/tools/ocaml/findlib/default.nix
index 71da6dd6d32..846546ae769 100644
--- a/pkgs/development/tools/ocaml/findlib/default.nix
+++ b/pkgs/development/tools/ocaml/findlib/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "ocaml-findlib-${version}";
-  version = "1.7.1";
+  version = "1.7.3";
 
   src = fetchurl {
     url = "http://download.camlcity.org/download/findlib-${version}.tar.gz";
-    sha256 = "1vsys5gpahi36nxv5yx29zhwn8b2d7sqqswza05vxy5bx5wrljsx";
+    sha256 = "12xx8si1qv3xz90qsrpazjjk4lc1989fzm97rsmc4diwla7n15ni";
   };
 
   buildInputs = [m4 ncurses ocaml];
diff --git a/pkgs/development/tools/ocaml/findlib/install_topfind.patch b/pkgs/development/tools/ocaml/findlib/install_topfind.patch
index 096330a31ae..7cd32991d0e 100644
--- a/pkgs/development/tools/ocaml/findlib/install_topfind.patch
+++ b/pkgs/development/tools/ocaml/findlib/install_topfind.patch
@@ -1,12 +1,12 @@
 --- a/src/findlib/Makefile
 +++ b/src/findlib/Makefile
-@@ -114,7 +114,7 @@ clean:
+@@ -123,7 +123,7 @@ clean:
  install: all
  	mkdir -p "$(prefix)$(OCAML_SITELIB)/$(NAME)"
  	mkdir -p "$(prefix)$(OCAMLFIND_BIN)"
 -	test $(INSTALL_TOPFIND) -eq 0 || cp topfind "$(prefix)$(OCAML_CORE_STDLIB)"
 +	test $(INSTALL_TOPFIND) -eq 0 || cp topfind "$(prefix)$(OCAML_SITELIB)"
-	files=`$(TOP)/tools/collect_files $(TOP)/Makefile.config findlib.cmi findlib.mli findlib.cma findlib.cmxa findlib.a findlib.cmxs topfind.cmi topfind.mli fl_package_base.mli fl_package_base.cmi fl_metascanner.mli fl_metascanner.cmi fl_metatoken.cmi findlib_top.cma findlib_top.cmxa findlib_top.a findlib_top.cmxs findlib_dynload.cma findlib_dynload.cmxa findlib_dynload.a findlib_dynload.cmxs fl_dynload.mli fl_dynload.cmi META` && \
+	files=`$(SH) $(TOP)/tools/collect_files $(TOP)/Makefile.config findlib.cmi findlib.mli findlib.cma findlib.cmxa findlib.a findlib.cmxs topfind.cmi topfind.mli fl_package_base.mli fl_package_base.cmi fl_metascanner.mli fl_metascanner.cmi fl_metatoken.cmi findlib_top.cma findlib_top.cmxa findlib_top.a findlib_top.cmxs findlib_dynload.cma findlib_dynload.cmxa findlib_dynload.a findlib_dynload.cmxs fl_dynload.mli fl_dynload.cmi META` && \
 	cp $$files "$(prefix)$(OCAML_SITELIB)/$(NAME)"
 	f="ocamlfind$(EXEC_SUFFIX)"; { test -f ocamlfind_opt$(EXEC_SUFFIX) && f="ocamlfind_opt$(EXEC_SUFFIX)"; }; \