diff --git a/pkgs/development/ocaml-modules/javalib/configure.sh.patch b/pkgs/development/ocaml-modules/javalib/configure.sh.patch
index 67e019b277af..77a2a5ba4ae5 100644
--- a/pkgs/development/ocaml-modules/javalib/configure.sh.patch
+++ b/pkgs/development/ocaml-modules/javalib/configure.sh.patch
@@ -1,5 +1,11 @@
 --- javalib-2.3-orig/configure.sh	2013-10-30 08:35:30.000000000 +0100
 +++ javalib-2.3/configure.sh	2014-07-06 17:28:39.025066199 +0200
+@@ -1,4 +1,4 @@
+-#!/bin/bash
++#!/bin/sh
+
+ ###
+ ### A configuration script for Javalib
 @@ -44,7 +44,7 @@
  DESTDIR=
  # The ocamlpath variable for the compiler to locate the locally-installed
diff --git a/pkgs/development/ocaml-modules/sawja/configure.sh.patch b/pkgs/development/ocaml-modules/sawja/configure.sh.patch
index 8165de242f57..e01df32bbded 100644
--- a/pkgs/development/ocaml-modules/sawja/configure.sh.patch
+++ b/pkgs/development/ocaml-modules/sawja/configure.sh.patch
@@ -1,5 +1,11 @@
 --- sawja-1.5-orig/configure.sh	2013-10-30 08:35:29.000000000 +0100
 +++ sawja-1.5/configure.sh	2014-07-05 18:50:26.833798254 +0200
+@@ -1,4 +1,4 @@
+-#!/bin/bash
++#!/bin/sh
+
+ ###
+ ### A configuration script for Sawja
 @@ -39,7 +39,7 @@
  DESTDIR=
  # The ocamlpath variable for the compiler to locate the locally-installed