diff --git a/.travis-before-install.sh b/.travis-before-install.sh
index e0a7f4f24..82a2f5698 100755
--- a/.travis-before-install.sh
+++ b/.travis-before-install.sh
@@ -1,11 +1,11 @@
-#!/bin/bash
-
-if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
-  # Mac OS X.
-  brew update
-  brew install https://raw.githubusercontent.com/LRFLEW/homebrew-core/981fa2e8f824b068077e7df47f81bdb8d93a8ea1/Formula/qt5.rb
-else
-  # Linux.
-  sudo apt-get update
-  sudo apt-get -y install qt57tools qt57base qt57webengine
+#!/bin/sh
+
+if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
+  # Mac OS X.
+  brew update
+  brew install https://raw.githubusercontent.com/LRFLEW/homebrew-core/981fa2e8f824b068077e7df47f81bdb8d93a8ea1/Formula/qt5.rb
+else
+  # Linux.
+  sudo apt-get update
+  sudo apt-get -y install qt57tools qt57base qt57webengine
 fi
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 7f5119d94..cd817a07f 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,8 +13,7 @@ git:
   submodules: false
   depth: 3
   
-before_install:
-  - ./.travis-before-install.sh
+before_install: ./.travis-before-install.sh
 
 install: true