diff --git a/resources/autoload.php b/resources/autoload.php
index 5d6dbcfa..e74c7fad 100644
--- a/resources/autoload.php
+++ b/resources/autoload.php
@@ -28,6 +28,7 @@
 require_once __DIR__ . "/lib/exceptions/NoDieException.php";
 require_once __DIR__ . "/lib/exceptions/SSOException.php";
 require_once __DIR__ . "/lib/exceptions/ArrayKeyException.php";
+require_once __DIR__ . "/lib/exceptions/CurlException.php";
 require_once __DIR__ . "/lib/exceptions/EntryNotFoundException.php";
 require_once __DIR__ . "/lib/exceptions/EnsureException.php";
 require_once __DIR__ . "/lib/exceptions/EncodingUnknownException.php";
diff --git a/resources/lib/UnityGithub.php b/resources/lib/UnityGithub.php
index cea01e4f..e289bbb1 100644
--- a/resources/lib/UnityGithub.php
+++ b/resources/lib/UnityGithub.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace UnityWebPortal\lib;
+use UnityWebPortal\lib\exceptions\CurlException;
 
 class UnityGithub
 {
@@ -13,7 +14,11 @@ public function getSshPublicKeys(string $username): array
         curl_setopt($curl, CURLOPT_URL, $url);
         curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
         curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
-        $keys = json_decode(curl_exec($curl), false);
+        $curl_output = curl_exec($curl);
+        if ($curl_output === false) {
+            throw new CurlException(curl_error($curl));
+        }
+        $keys = json_decode($curl_output, false);
         curl_close($curl);
 
         // normally returns array of objects each with a ->key attribute
diff --git a/resources/lib/exceptions/CurlException.php b/resources/lib/exceptions/CurlException.php
new file mode 100644
index 00000000..7c7c2e36
--- /dev/null
+++ b/resources/lib/exceptions/CurlException.php
@@ -0,0 +1,5 @@
+<?php
+
+namespace UnityWebPortal\lib\exceptions;
+
+class CurlException extends \Exception {}
diff --git a/test/phpunit-bootstrap.php b/test/phpunit-bootstrap.php
index c4c2af03..82b54c52 100644
--- a/test/phpunit-bootstrap.php
+++ b/test/phpunit-bootstrap.php
@@ -19,6 +19,7 @@
 require_once __DIR__ . "/../resources/lib/exceptions/NoDieException.php";
 require_once __DIR__ . "/../resources/lib/exceptions/SSOException.php";
 require_once __DIR__ . "/../resources/lib/exceptions/ArrayKeyException.php";
+require_once __DIR__ . "/../resources/lib/exceptions/CurlException.php";
 require_once __DIR__ . "/../resources/lib/exceptions/EntryNotFoundException.php";
 require_once __DIR__ . "/../resources/lib/exceptions/EnsureException.php";
 require_once __DIR__ . "/../resources/lib/exceptions/EncodingUnknownException.php";