diff --git a/source/main/gui/panels/GUI_RepositorySelector.h b/source/main/gui/panels/GUI_RepositorySelector.h
index f6dfc210e8..28dbf79129 100644
--- a/source/main/gui/panels/GUI_RepositorySelector.h
+++ b/source/main/gui/panels/GUI_RepositorySelector.h
@@ -33,7 +33,9 @@
 #include <memory>
 #include <thread>
 #include <vector>
-#include <curl/curl.h>
+#ifdef USE_CURL
+#   include <curl/curl.h>
+#endif //USE_CURL
 
 namespace RoR {
 namespace GUI {
@@ -127,7 +129,9 @@ class RepositorySelector:
     ResourceItem                        m_selected_item;
     Ogre::uint16                        m_ogre_workqueue_channel = 0;
     Ogre::TexturePtr                    m_fallback_thumbnail;
+#ifdef USE_CURL
     CURL                                *curl_th = curl_easy_init(); // One connection for fetching thumbnails using connection reuse
+#endif
 };
 
 }// namespace GUI
diff --git a/source/main/scripting/GameScript.cpp b/source/main/scripting/GameScript.cpp
index 98b54bba1f..a4110fd7ef 100644
--- a/source/main/scripting/GameScript.cpp
+++ b/source/main/scripting/GameScript.cpp
@@ -825,6 +825,7 @@ int GameScript::useOnlineAPI(const String& apiquery, const AngelScript::CScriptD
     j_doc.Accept(writer);
     std::string json = buffer.GetString();
 
+#if USE_CURL
     RoR::App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_SYSTEM_NOTICE,
             _L("using Online API..."), "information.png");
 
@@ -849,6 +850,10 @@ int GameScript::useOnlineAPI(const String& apiquery, const AngelScript::CScriptD
             curl_slist_free_all(slist);
             slist = NULL;
         }).detach();
+#else // USE_CURL
+    RoR::App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_SYSTEM_WARNING,
+                                       _L("Cannot use Online API in this build (CURL not available)"));
+#endif // USE_CURL
 
     return 0;
 }