diff --git a/.build.yml b/.build.yml
index fd526949..ce37a4b1 100644
--- a/.build.yml
+++ b/.build.yml
@@ -6,9 +6,9 @@ sources:
   - https://github.com/carp-lang/Carp
 tasks:
   - carp-build: |
-     cd Carp 
+     cd Carp
      stack build
      stack test
   - carp-test: |
      cd Carp
-     bash ./run_carp_tests.sh --no_sdl
+     scripts/run_carp_tests.sh --no_sdl
diff --git a/.travis.yml b/.travis.yml
index 02c95f63..c76f543b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,5 +32,4 @@ script:
     - travis_wait stack setup --no-terminal
     - travis_wait stack build --no-terminal
     - travis_wait stack test  --no-terminal
-    - travis_wait ./run_carp_tests.sh --no_sdl
-
+    - travis_wait scripts/run_carp_tests.sh --no_sdl
diff --git a/default.nix b/default.nix
index 8df63de8..c9b01899 100644
--- a/default.nix
+++ b/default.nix
@@ -19,12 +19,11 @@ let
       , darwin, glfw3, SDL2, SDL2_image, SDL2_gfx, SDL2_mixer, SDL2_ttf
       , ghc-prof-flamegraph
       , clang , makeWrapper
-
       , libXext, libXcursor, libXinerama, libXi, libXrandr, libXScrnSaver, libXxf86vm, libpthreadstubs, libXdmcp, libGL
       }:
       mkDerivation {
         pname = "CarpHask";
-        version = "0.3.0.0";
+        version = "dev";
         src = ./.;
         inherit doCheck doBenchmark;
         isLibrary = false;
@@ -49,14 +48,17 @@ let
           Carbon Cocoa IOKit CoreFoundation CoreVideo IOKit ForceFeedback
         ];
         buildDepends = [ makeWrapper ];
+        postPatch = ''
+          patchShebangs .
+        '';
         postInstall = ''
-            wrapProgram $out/bin/carp --set CARP_DIR $src --prefix PATH : ${clang}/bin
-            wrapProgram $out/bin/carp-header-parse --set CARP_DIR $src --prefix PATH : ${clang}/bin
+          wrapProgram $out/bin/carp --set CARP_DIR $src --prefix PATH : ${clang}/bin
+          wrapProgram $out/bin/carp-header-parse --set CARP_DIR $src --prefix PATH : ${clang}/bin
         '';
         testHaskellDepends = [ base containers HUnit ];
         testTarget = "CarpHask-test";
         postCheck = ''
-          env CARP=dist/build/carp/carp ./run_carp_tests.sh
+          env CARP=dist/build/carp/carp scripts/run_carp_tests.sh
         '';
         enableParallelBuilding = true;
         homepage = "https://github.com/eriksvedang/Carp";
diff --git a/scripts/benchmarks.sh b/scripts/benchmarks.sh
index 43252a87..b79262b5 100755
--- a/scripts/benchmarks.sh
+++ b/scripts/benchmarks.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 set -e; # will make the script stop if there are any errors
 
diff --git a/scripts/build.sh b/scripts/build.sh
index ffc440b1..e25d5b76 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 if [ -z "$CARP" ]
 then
     if [ -z "$NIX_CC" ]
diff --git a/scripts/carp.sh b/scripts/carp.sh
index 5c4cd9f1..446cfaa4 100755
--- a/scripts/carp.sh
+++ b/scripts/carp.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 if [ -z "$CARP" ]
 then
     if [ -z "$NIX_CC" ]
diff --git a/scripts/flamegraph.sh b/scripts/flamegraph.sh
index 28cbef1f..68c55086 100755
--- a/scripts/flamegraph.sh
+++ b/scripts/flamegraph.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 # To enable the required permissions, execute the following sequence as root:
 # $ chown root:wheel /proc/modules
 # $ chown root:wheel /proc/kallsyms
diff --git a/scripts/haskell-flamegraph.sh b/scripts/haskell-flamegraph.sh
index a40a34b6..3a437a9d 100755
--- a/scripts/haskell-flamegraph.sh
+++ b/scripts/haskell-flamegraph.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#! /usr/bin/env sh
 # Usage:
 #
 # ./haskell-flamegraph <carp options>
diff --git a/scripts/release.sh b/scripts/release.sh
index e905e39e..b0a912ce 100755
--- a/scripts/release.sh
+++ b/scripts/release.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 set -e;
 
 name=$1
diff --git a/scripts/run_carp_tests.sh b/scripts/run_carp_tests.sh
index 533927f7..b2a4dfd7 100755
--- a/scripts/run_carp_tests.sh
+++ b/scripts/run_carp_tests.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 set -e; # will make the script stop if there are any errors
 set -u; # will make the script stop if there is use of undefined
diff --git a/test/check.sh b/test/check.sh
index f3a0d0ab..e9c275c9 100755
--- a/test/check.sh
+++ b/test/check.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 # Checks the code (using --check) and compares the output to the .expected file
 ./scripts/carp.sh $1 --log-memory --check > test/output/$1.output.actual 2>&1
diff --git a/test/execute.sh b/test/execute.sh
index 0ebe26af..1b97cfee 100755
--- a/test/execute.sh
+++ b/test/execute.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 # Runs the executable and compares its output to the .expected file
 ./scripts/carp.sh $1 --log-memory -b && \
diff --git a/test/record.sh b/test/record.sh
index 52499fa4..7a62e54a 100755
--- a/test/record.sh
+++ b/test/record.sh
@@ -1,3 +1,3 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 carp $1 --log-memory -x > test/output/$1.output.expected 2>&1