diff --git a/.travis.yml b/.travis.yml
index 3b74a0ca33b..9ddd3185d5c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,7 @@ script:
   - if [ $TRAVIS_OS_NAME == 'linux' ]; then
     if [ $CC == 'clang' ]; then
     make -j2 OVERRIDE_CXX="clang++-3.6" OVERRIDE_CC="clang-3.6" && ./$MAME -validate;
-    else make -j6 OPTIMIZE=0 OVERRIDE_CC="gcc-5" OVERRIDE_CXX="g++-5" && ./$MAME -validate;
+    else make -j3 OPTIMIZE=0 OVERRIDE_CC="gcc-5" OVERRIDE_CXX="g++-5" && ./$MAME -validate;
     fi
     elif [ $TRAVIS_OS_NAME == 'osx' ]; then
     unset LDOPTS && make -j2 OPTIMIZE=0 MACOSX_USE_LIBSDL=1 && ./$MAME -validate;