diff --git a/.travis.yml b/.travis.yml
index 1709004..c5581db 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,9 +10,13 @@ script:
   - NVM_DIR=$TRAVIS_BUILD_DIR make TEST_SUITE=$TEST_SUITE URCHIN=/tmp/urchin $SHELL
 env:
   - SHELL=sh TEST_SUITE=fast
+  - SHELL=sh TEST_SUITE=fast WITHOUT_CURL=1
   - SHELL=dash TEST_SUITE=fast
+  - SHELL=dash TEST_SUITE=fast WITHOUT_CURL=1
   - SHELL=bash TEST_SUITE=fast
+  - SHELL=bash TEST_SUITE=fast WITHOUT_CURL=1
   - SHELL=zsh TEST_SUITE=fast
+  - SHELL=zsh TEST_SUITE=fast WITHOUT_CURL=1
   - SHELL=ksh TEST_SUITE=fast
+  - SHELL=ksh TEST_SUITE=fast WITHOUT_CURL=1
   - SHELL=sh TEST_SUITE=slow
-  - SHELL=sh TEST_SUITE=fast WITHOUT_CURL=1