diff --git a/.travis.yml b/.travis.yml
index 84a52c48d3216b36272b3f5280147892406197a1..b10e569a10d863df3d94f74aed7b9000a8e2d99c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -118,8 +118,8 @@ install:
   - if test -n "$PLUMED_MACPORTS" ; then ./.travis/config.macports.sh ; fi
 
 script:
-# we enable crystallization and manyrestraints modules
-  - CONFIG_FLAGS="$CONFIG_FLAGS --enable-modules=crystallization:manyrestraints:adjmat"
+# make sure all modules are enabled
+  - CONFIG_FLAGS="$CONFIG_FLAGS --enable-modules=all"
 # we enable fftw, which is off by default
   - CONFIG_FLAGS="$CONFIG_FLAGS --enable-fftw"
   - if test "$MAKEDOC" == yes ; then CONFIG_FLAGS="$CONFIG_FLAGS --enable-pdfdoc" ; fi