diff --git a/.travis.yml b/.travis.yml
index e38e559bee..e2271f6e5d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -100,7 +100,7 @@ script:
       ./node_modules/.bin/grunt flow
 
       ALL_FILES=`find src -name '*.js' | grep -v umd/ | grep -v __tests__ | grep -v __mocks__`
-      COUNT_ALL_FILES=`echo $ALL_FILES | wc -l`
+      COUNT_ALL_FILES=`echo "$ALL_FILES" | wc -l`
       COUNT_WITH_FLOW=`grep '@flow' $ALL_FILES | perl -pe 's/:.+//' | wc -l`
       node scripts/facts-tracker/index.js \
         "flow-files" "$COUNT_WITH_FLOW/$COUNT_ALL_FILES"