diff --git a/.travis.yml b/.travis.yml
index 6eb9a993..db3bee8b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,9 @@
 language: cpp
 
+branches:
+  only:
+    - master
+
 matrix:
   include:
 
diff --git a/source/linux/build.sh b/source/linux/build.sh
index 19ad61d5..a46e6497 100755
--- a/source/linux/build.sh
+++ b/source/linux/build.sh
@@ -8,4 +8,4 @@ mkdir -p build
 cd build
 
 cmake -DCMAKE_BUILD_TYPE=RELEASE -DLIBRETRO_COMMON_PATH=../libretro-common ..
-make -j 4
+make