diff --git a/test/bin/curl b/test/bin/curl
new file mode 100755
index 0000000..dd8bf04
--- /dev/null
+++ b/test/bin/curl
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e
+
+unset http_proxy
+unset https_proxy
+
+/usr/bin/curl \
+  --silent \
+  --noproxy '*' \
+  --fail \
+  --header 'Host: softwarepublico.dev' \
+  "$@"
diff --git a/test/colab_test.sh b/test/colab_test.sh
index cc7a022..14048e2 100644
--- a/test/colab_test.sh
+++ b/test/colab_test.sh
@@ -13,16 +13,16 @@ test_colab_running() {
 }
 
 test_colab_responds() {
-  assertTrue 'colab responds' 'run_on integration curl --fail http://localhost:8001'
+  assertTrue 'colab responds' "run_on integration $curl http://localhost:8001"
 }
 
 test_nginx_responds() {
-  assertTrue 'nginx reponds' 'run_on integration curl --fail http://localhost'
+  assertTrue 'nginx reponds' "run_on integration $curl http://localhost"
 }
 
 test_nginx_virtualhost() {
   local ip="$(grep integration: nodes.yaml | cut -d : -f 2)"
-  local title="$(curl --silent --header 'Host: beta.softwarepublico.gov.br' http://$ip/dashboard | grep '<title>' | sed -e 's/^\s*//')"
+  local title="$(./test/bin/curl http://$ip/dashboard | grep '<title>' | sed -e 's/^\s*//')"
   assertEquals "<title>Home - Colab</title>" "$title"
 }
 
diff --git a/test/test_helper.sh b/test/test_helper.sh
index e7c80f3..165c963 100644
--- a/test/test_helper.sh
+++ b/test/test_helper.sh
@@ -3,3 +3,5 @@ run_on() {
   shift
   vagrant ssh "$vm" -- "$@"
 }
+
+curl=/vagrant/test/bin/curl
--
libgit2 0.21.2