diff --git a/libs/SalesforceSDK/src/com/salesforce/androidsdk/util/test/TestCredentials.java b/libs/SalesforceSDK/src/com/salesforce/androidsdk/util/test/TestCredentials.java
index dc56ed062b..1a10700392 100644
--- a/libs/SalesforceSDK/src/com/salesforce/androidsdk/util/test/TestCredentials.java
+++ b/libs/SalesforceSDK/src/com/salesforce/androidsdk/util/test/TestCredentials.java
@@ -70,7 +70,7 @@ public static void init(Context ctx) {
             USERNAME = json.getString("username");
             ACCOUNT_NAME = json.getString("display_name");
             USER_ID = json.getString("user_id");
-            LOGIN_URL = json.getString("test_login_domain");
+            LOGIN_URL = ensureHttpsPrefix(json.getString("test_login_domain"));
             INSTANCE_URL = json.getString("instance_url");
             API_INSTANCE_URL = JSONObjectHelper.optString(json, "api_instance_url");
             COMMUNITY_URL = json.optString("community_url", INSTANCE_URL /* in case the test_credentials.json was obtained for a user / org without community setup */);
@@ -94,7 +94,7 @@ public static void init(String creds, Context ctx) {
             USERNAME = json.getString("username");
             ACCOUNT_NAME = json.getString("display_name");
             USER_ID = json.getString("user_id");
-            LOGIN_URL = json.getString("test_login_domain");
+            LOGIN_URL = ensureHttpsPrefix(json.getString("test_login_domain"));
             INSTANCE_URL = json.getString("instance_url");
             COMMUNITY_URL = json.optString("community_url", INSTANCE_URL /* In case the test_credentials.json was obtained for a user/org without community setup */);
             IDENTITY_URL = json.getString("identity_url");
@@ -108,4 +108,10 @@ public static void init(String creds, Context ctx) {
             throw new RuntimeException(e);
         }
     }
+
+    private static String ensureHttpsPrefix(String url) {
+        if (url == null) return null;
+        if (url.startsWith("https://") || url.startsWith("http://")) return url;
+        return "https://" + url;
+    }
 }