diff --git a/.travis.yml b/.travis.yml
index f5d777dd7..bbd600671 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,16 +15,16 @@ matrix:
   - os: osx
 
 before_install:
-  - bash ./.travis/before_install.sh
+  - source ./.travis/before_install.sh
 
 install:
-  - bash ./.travis/install.sh
+  - source ./.travis/install.sh
 
 script:
-  - bash ./.travis/script.sh
+  - source ./.travis/script.sh
 
 after_success:
-  - bash ./.travis/after_success.sh
+  - source ./.travis/after_success.sh
   
 branches:
   except:
diff --git a/.travis/before_install.sh b/.travis/before_install.sh
index e117fc6d2..a9312b90e 100644
--- a/.travis/before_install.sh
+++ b/.travis/before_install.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
-	brew install ffmpeg qt5
+	# do nothing
 elif [[ $TRAVIS_OS_NAME == 'linux' ]]; then
 	sudo add-apt-repository ppa:beineri/opt-qt593-trusty -y
 	sudo add-apt-repository ppa:jonathonf/ffmpeg-3 -y