diff --git a/src/workflow/base/ArcanistBaseWorkflow.php b/src/workflow/base/ArcanistBaseWorkflow.php
index 2960505d..b8b8f024 100644
--- a/src/workflow/base/ArcanistBaseWorkflow.php
+++ b/src/workflow/base/ArcanistBaseWorkflow.php
@@ -96,6 +96,15 @@ class ArcanistBaseWorkflow {
     return $this;
   }
 
+  /**
+   * Returns the URI the conduit connection within the workflow uses.
+   *
+   * @return string
+   * @task conduit
+   */
+  final public function getConduitURI() {
+    return $this->conduitURI;
+  }
 
   /**
    * Open a conduit channel to the server which was previously configured by
diff --git a/src/workflow/install-certificate/ArcanistInstallCertificateWorkflow.php b/src/workflow/install-certificate/ArcanistInstallCertificateWorkflow.php
index fa307f60..eea0cffa 100644
--- a/src/workflow/install-certificate/ArcanistInstallCertificateWorkflow.php
+++ b/src/workflow/install-certificate/ArcanistInstallCertificateWorkflow.php
@@ -132,18 +132,12 @@ EOTEXT
     } else if (count($uri) == 1) {
       $uri = reset($uri);
     } else {
-      $working_copy = ArcanistWorkingCopyIdentity::newFromPath(
-        $this->getWorkingDirectory());
-      if (!$working_copy->getProjectRoot()) {
+      $conduit_uri = $this->getConduitURI();
+      if (!$conduit_uri) {
         throw new ArcanistUsageException(
           "Specify an explicit URI or run this command from within a project ".
           "which is configured with a .arcconfig.");
       }
-      $conduit_uri = $working_copy->getConduitURI();
-      if (!$conduit_uri) {
-        throw new ArcanistUsageException(
-          "This project's .arcconfig does not specify a Conduit URI.");
-      }
       $uri = $conduit_uri;
     }
 
diff --git a/src/workflow/install-certificate/__init__.php b/src/workflow/install-certificate/__init__.php
index f6b42a3f..ad6ca17e 100644
--- a/src/workflow/install-certificate/__init__.php
+++ b/src/workflow/install-certificate/__init__.php
@@ -8,7 +8,6 @@
 
 phutil_require_module('arcanist', 'exception/usage');
 phutil_require_module('arcanist', 'workflow/base');
-phutil_require_module('arcanist', 'workingcopyidentity');
 
 phutil_require_module('phutil', 'conduit/client');
 phutil_require_module('phutil', 'console');