diff --git a/.travis.yml b/.travis.yml
index 826a6200e4b3838c05c30d5eb1992909753d6903..30385695f35abcbf7d63d9a8c1a867ea9dd69d58 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ env:
   - PLUMED_CC=gcc   PLUMED_CXX=g++   CPPCHECK=yes
 matrix:
   allow_failures:
-    - env: PLUMED_CC=gcc   PLUMED_CXX=g++  CPPCHECK=yes
+    - env: PLUMED_CC=gcc   PLUMED_CXX=g++   CPPCHECK=yes
 # Possible additional variables:
 #   VALGRIND=yes to make valgrind tests, only when log contains string [valgrind]
 install: