diff --git a/pkgs/development/tools/ocaml/findlib/default.nix b/pkgs/development/tools/ocaml/findlib/default.nix
index 3170712b9baf..0291e47f6127 100644
--- a/pkgs/development/tools/ocaml/findlib/default.nix
+++ b/pkgs/development/tools/ocaml/findlib/default.nix
@@ -14,7 +14,8 @@ stdenv.mkDerivation {
 
   buildInputs = [m4 ncurses ocaml];
 
-  patches = [ ./ldconf.patch ];
+  patches = [ ./ldconf.patch ./install_topfind.patch ];
+  patchFlags = "-p0";
 
   dontAddPrefix=true;
 
@@ -24,7 +25,6 @@ stdenv.mkDerivation {
       -mandir $out/share/man
       -sitelib $out/lib/ocaml/${ocaml_version}/site-lib
       -config $out/etc/findlib.conf
-      -no-topfind
     )
   '';
 
diff --git a/pkgs/development/tools/ocaml/findlib/install_topfind.patch b/pkgs/development/tools/ocaml/findlib/install_topfind.patch
new file mode 100644
index 000000000000..03eefb54cb14
--- /dev/null
+++ b/pkgs/development/tools/ocaml/findlib/install_topfind.patch
@@ -0,0 +1,12 @@
+--- src/findlib/Makefile
++++ src/findlib/Makefile
+@@ -82,7 +82,7 @@ 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 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.cmxa findlib.a META` && \
+ 	cp $$files "$(prefix)$(OCAML_SITELIB)/$(NAME)"
+ 	f="ocamlfind$(EXEC_SUFFIX)"; { test -f ocamlfind_opt$(EXEC_SUFFIX) && f="ocamlfind_opt$(EXEC_SUFFIX)"; }; \
+