diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8727c2ef3..3d70fe79b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -176,6 +176,8 @@ endif()
 set(Launcher_NEWS_RSS_URL "https://prismlauncher.org/feed/feed.xml" CACHE STRING "URL to fetch Prism Launcher's news RSS feed from.")
 set(Launcher_NEWS_OPEN_URL "https://prismlauncher.org/news" CACHE STRING "URL that gets opened when the user clicks 'More News'")
 set(Launcher_HELP_URL "https://prismlauncher.org/wiki/help-pages/%1" CACHE STRING "URL (with arg %1 to be substituted with page-id) that gets opened when the user requests help")
+set(Launcher_LOGIN_CALLBACK_URL "https://prismlauncher.org/successful-login" CACHE STRING "URL that gets opened when the user successfully logins.")
+set(Launcher_FMLLIBS_BASE_URL "https://files.prismlauncher.org/fmllibs/" CACHE STRING "URL for FML Libraries.")
 
 ######## Set version numbers ########
 set(Launcher_VERSION_MAJOR 9)
@@ -205,6 +207,7 @@ set(Launcher_BUG_TRACKER_URL "https://github.com/PrismLauncher/PrismLauncher/iss
 
 # Translations Platform URL
 set(Launcher_TRANSLATIONS_URL "https://hosted.weblate.org/projects/prismlauncher/launcher/" CACHE STRING "URL for the translations platform.")
+set(Launcher_TRANSLATION_FILES_URL "https://i18n.prismlauncher.org/" CACHE STRING "URL for the translations files.")
 
 # Matrix Space
 set(Launcher_MATRIX_URL "https://prismlauncher.org/matrix" CACHE STRING "URL to the Matrix Space")
diff --git a/buildconfig/BuildConfig.cpp.in b/buildconfig/BuildConfig.cpp.in
index f85b84dfb..b48232b43 100644
--- a/buildconfig/BuildConfig.cpp.in
+++ b/buildconfig/BuildConfig.cpp.in
@@ -116,16 +116,19 @@ Config::Config()
     NEWS_RSS_URL = "@Launcher_NEWS_RSS_URL@";
     NEWS_OPEN_URL = "@Launcher_NEWS_OPEN_URL@";
     HELP_URL = "@Launcher_HELP_URL@";
+    LOGIN_CALLBACK_URL = "@Launcher_LOGIN_CALLBACK_URL@";
     IMGUR_CLIENT_ID = "@Launcher_IMGUR_CLIENT_ID@";
     MSA_CLIENT_ID = "@Launcher_MSA_CLIENT_ID@";
     FLAME_API_KEY = "@Launcher_CURSEFORGE_API_KEY@";
     META_URL = "@Launcher_META_URL@";
+    FMLLIBS_BASE_URL = "@Launcher_FMLLIBS_BASE_URL@";
 
     GLFW_LIBRARY_NAME = "@Launcher_GLFW_LIBRARY_NAME@";
     OPENAL_LIBRARY_NAME = "@Launcher_OPENAL_LIBRARY_NAME@";
 
     BUG_TRACKER_URL = "@Launcher_BUG_TRACKER_URL@";
     TRANSLATIONS_URL = "@Launcher_TRANSLATIONS_URL@";
+    TRANSLATION_FILES_URL = "@Launcher_TRANSLATION_FILES_URL@";
     MATRIX_URL = "@Launcher_MATRIX_URL@";
     DISCORD_URL = "@Launcher_DISCORD_URL@";
     SUBREDDIT_URL = "@Launcher_SUBREDDIT_URL@";
diff --git a/buildconfig/BuildConfig.h b/buildconfig/BuildConfig.h
index bb633f297..ae705d098 100644
--- a/buildconfig/BuildConfig.h
+++ b/buildconfig/BuildConfig.h
@@ -133,6 +133,11 @@ class Config {
      */
     QString HELP_URL;
 
+    /**
+     * URL that gets opened when the user succesfully logins.
+     */
+    QString LOGIN_CALLBACK_URL;
+
     /**
      * Client ID you can get from Imgur when you register an application
      */
@@ -165,8 +170,8 @@ class Config {
     QString RESOURCE_BASE = "https://resources.download.minecraft.net/";
     QString LIBRARY_BASE = "https://libraries.minecraft.net/";
     QString IMGUR_BASE_URL = "https://api.imgur.com/3/";
-    QString FMLLIBS_BASE_URL = "https://files.prismlauncher.org/fmllibs/";  // FIXME: move into CMakeLists
-    QString TRANSLATIONS_BASE_URL = "https://i18n.prismlauncher.org/";      // FIXME: move into CMakeLists
+    QString FMLLIBS_BASE_URL;
+    QString TRANSLATION_FILES_URL;
 
     QString MODPACKSCH_API_BASE_URL = "https://api.modpacks.ch/";
 
diff --git a/launcher/minecraft/auth/steps/MSAStep.cpp b/launcher/minecraft/auth/steps/MSAStep.cpp
index 3db04bf2f..74999414c 100644
--- a/launcher/minecraft/auth/steps/MSAStep.cpp
+++ b/launcher/minecraft/auth/steps/MSAStep.cpp
@@ -90,15 +90,16 @@ MSAStep::MSAStep(AccountData* data, bool silent) : AuthStep(data), m_silent(sile
 
     {
         auto replyHandler = new QOAuthHttpServerReplyHandler(this);
-        replyHandler->setCallbackText(R"XXX(
+        replyHandler->setCallbackText(QString(R"XXX(
     <noscript>
-      <meta http-equiv="Refresh" content="0; URL=https://prismlauncher.org/successful-login" />
+      <meta http-equiv="Refresh" content="0; URL=%1" />
     </noscript>
     Login Successful, redirecting...
     <script>
-      window.location.replace("https://prismlauncher.org/successful-login");
+      window.location.replace("%1");
     </script>
-    )XXX");
+    )XXX")
+                                          .arg(BuildConfig.LOGIN_CALLBACK_URL));
         oauth2.setReplyHandler(replyHandler);
     } else {
         oauth2.setReplyHandler(new CustomOAuthOobReplyHandler(this));
diff --git a/launcher/translations/TranslationsModel.cpp b/launcher/translations/TranslationsModel.cpp
index 63867636d..d03469b78 100644
--- a/launcher/translations/TranslationsModel.cpp
+++ b/launcher/translations/TranslationsModel.cpp
@@ -550,7 +550,7 @@ void TranslationsModel::downloadIndex()
     d->m_index_job.reset(new NetJob("Translations Index", APPLICATION->network()));
     MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("translations", "index_v2.json");
     entry->setStale(true);
-    auto task = Net::Download::makeCached(QUrl(BuildConfig.TRANSLATIONS_BASE_URL + "index_v2.json"), entry);
+    auto task = Net::Download::makeCached(QUrl(BuildConfig.TRANSLATION_FILES_URL + "index_v2.json"), entry);
     d->m_index_task = task.get();
     d->m_index_job->addNetAction(task);
     d->m_index_job->setAskRetry(false);
@@ -591,7 +591,7 @@ void TranslationsModel::downloadTranslation(QString key)
     MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("translations", "mmc_" + key + ".qm");
     entry->setStale(true);
 
-    auto dl = Net::Download::makeCached(QUrl(BuildConfig.TRANSLATIONS_BASE_URL + lang->file_name), entry);
+    auto dl = Net::Download::makeCached(QUrl(BuildConfig.TRANSLATION_FILES_URL + lang->file_name), entry);
     dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, lang->file_sha1));
     dl->setProgress(dl->getProgress(), lang->file_size);