diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 45fa04e..c49af12 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,7 +32,7 @@ jobs:
         run: ./vendor/bin/phpunit --coverage-clover build/logs/coverage.xml
       - name: Run Coveralls
         env:
-          XDEBUG_MODE: coverage
+          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: ./vendor/bin/php-coveralls -v --coverage_clover build/logs/coverage.xml
 
   unit_tests_81:
@@ -54,7 +54,3 @@ jobs:
         env:
           XDEBUG_MODE: coverage
         run: ./vendor/bin/phpunit --coverage-clover build/logs/coverage.xml
-      - name: Run Coveralls
-        env:
-          XDEBUG_MODE: coverage
-        run: ./vendor/bin/php-coveralls -v --coverage_clover build/logs/coverage.xml
diff --git a/src/Runtime/Runtime.php b/src/Runtime/Runtime.php
index ba483f5..571aebd 100644
--- a/src/Runtime/Runtime.php
+++ b/src/Runtime/Runtime.php
@@ -441,7 +441,7 @@ class Runtime
      */
     public function getHostPort(): ?int
     {
-        $info = explode(':', $this->getWorkingHost());
+        $info = explode(':', strval($this->getWorkingHost()));
         return isset($info[1]) ? intval($info[1]) : null;
     }
 
@@ -450,7 +450,7 @@ class Runtime
      */
     public function getHostName(): ?string
     {
-        if (strpos($this->getWorkingHost(), ':') === false) {
+        if (strpos(strval($this->getWorkingHost()), ':') === false) {
             return $this->getWorkingHost();
         }