diff --git a/.travis.yml b/.travis.yml
index b48790d83207078aa633eca9c7599b452c6173c8..e7429211ce476211fb3b10f24d62b0e50fdb7339 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,11 +30,11 @@ matrix:
 #   VALGRIND=yes to make valgrind tests, only when log contains string [valgrind]
 install:
 # setup environment to allow install on the home directory
-  - export PATH="$PATH:$HOME/opt/bin"
-  - export CPATH="$CPATH:$HOME/opt/include"
-  - export INCLUDE="$INCLUDE:$HOME/opt/include"
-  - export LIBRARY_PATH="$LIBRARY_PATH:$HOME/opt/lib"
-  - export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$HOME/opt/lib"
+  - export PATH="$HOME/opt/bin:$PATH"
+  - export CPATH="$HOME/opt/include:$CPATH"
+  - export INCLUDE="$HOME/opt/include:$INCLUDE"
+  - export LIBRARY_PATH="$HOME/opt/lib:$LIBRARY_PATH"
+  - export LD_LIBRARY_PATH="$HOME/opt/lib:$LD_LIBRARY_PATH"
 # build the manual, only if log contains string [makedoc]
   - export PLUMED_NUM_THREADS=2
   - ./.travis/check.log makedoc  || MAKEDOC=no
diff --git a/.travis/install.cppcheck b/.travis/install.cppcheck
index 0841806f0a818735f7cc95cd994e5edb0065e98c..25543080f983183abe83aa534786eea78af63679 100755
--- a/.travis/install.cppcheck
+++ b/.travis/install.cppcheck
@@ -16,8 +16,11 @@ else
 fi
 
 
-git checkout $tag
+git checkout $version
 make -j 4 install CFGDIR="$HOME/opt/share/cppcheck/" CXXFLAGS="-O2 -march=native -mtune=native -Wunreachable-code" PREFIX="$HOME/opt"
 cd ../
 
+cppcheck --version
+
+