diff --git a/.travis.yml b/.travis.yml
index 1bccba2698..2ef1c21548 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ install:
 # g++4.9.2
 - if [ "$CXX" = "g++" ]; then sudo apt-get install -qq g++-4.9; fi
 - if [ "$CXX" = "g++" ]; then export CXX="g++-4.9"; fi
-- if [ "$CXX" = "g++" ]; then sudo /bin/bash -e 'cd /usr/bin/; for i in `ls -l |grep -- -4.8 |grep ^l |sed -e "s; ->.*;;" -e  "s;.*[0-9] ;;" |grep -v -- "-4."`; do echo rm -f $i; rm -f $i; ln -s ${i}-4.9 $i; echo ln -s ${i}-4.9 $i; done' ; fi
+- if [ "$CXX" = "g++" ]; then sudo /bin/bash -c 'cd /usr/bin/; for i in `ls -l |grep -- -4.8 |grep ^l |sed -e "s; ->.*;;" -e  "s;.*[0-9] ;;" |grep -v -- "-4."`; do echo rm -f $i; rm -f $i; ln -s ${i}-4.9 $i; echo ln -s ${i}-4.9 $i; done' ; fi
 - ls -l /usr/bin/
 
 # clang 3.4