diff --git a/builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/Rule.java b/builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/Rule.java
index 8e8055b..6e6798e 100644
--- a/builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/Rule.java
+++ b/builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/Rule.java
@@ -95,7 +95,7 @@ public class Rule {
      * the right string; and a value greater than 0 if the left string is lexicographically greater than the right
      * string.
      */
-    static int sortByName(final Rule left, final Rule right) {
+    protected static int sortByName(final Rule left, final Rule right) {
         return left.getLowerCaseRuleName()
                    .compareTo(right.getLowerCaseRuleName());
     }
diff --git a/travis-ci/travis-coveralls-report.sh b/travis-ci/travis-coveralls-report.sh
index aab1704..5ef727d 100755
--- a/travis-ci/travis-coveralls-report.sh
+++ b/travis-ci/travis-coveralls-report.sh
@@ -1,3 +1,7 @@
 #!/usr/bin/env bash
 
-./mvnw --projects builder,plugin test jacoco:report coveralls:report
+## Only send coveralls reports from Travis-CI. Some CIs, like Shippable, lie by setting TRAVIS=true.
+## Currently, Shippable, does not set TRAVIS_LANGUAGE, but Travis-CI does.
+if [ "$TRAVIS_LANGUAGE" = "java" ];then
+    ./mvnw --projects builder,plugin test jacoco:report coveralls:report
+fi