diff --git a/include/mbgl/util/filesource.hpp b/include/mbgl/util/filesource.hpp
index 83e2a635e..0d339cbac 100644
--- a/include/mbgl/util/filesource.hpp
+++ b/include/mbgl/util/filesource.hpp
@@ -25,16 +25,14 @@ enum class ResourceType : uint8_t {
 
 class FileSource {
 public:
-    FileSource(const std::shared_ptr<uv::loop> &loop);
+    FileSource();
 
     void setBase(const std::string &value);
     const std::string &getBase() const;
 
-    void load(ResourceType type, const std::string &url, std::function<void(platform::Response *)> callback);
+    void load(ResourceType type, const std::string &url, std::function<void(platform::Response *)> callback, const std::shared_ptr<uv::loop> loop = nullptr);
 
 private:
-    std::shared_ptr<uv::loop> loop;
-
     // Stores a URL that is used as a base for loading resources with relative path.
     std::string base;
 
diff --git a/src/map/map.cpp b/src/map/map.cpp
index 7936eaf30..ef7b9548b 100644
--- a/src/map/map.cpp
+++ b/src/map/map.cpp
@@ -34,7 +34,7 @@ Map::Map(View& view)
     : loop(std::make_shared<uv::loop>()),
       view(view),
       transform(view),
-      fileSource(std::make_shared<FileSource>(loop)),
+      fileSource(std::make_shared<FileSource>()),
       style(std::make_shared<Style>()),
       glyphAtlas(std::make_shared<GlyphAtlas>(1024, 1024)),
       glyphStore(std::make_shared<GlyphStore>(fileSource)),
@@ -201,7 +201,7 @@ void Map::setStyleURL(const std::string &url) {
         } else {
             Log::Error(Event::Setup, "loading style failed: %d (%s)", res->code, res->error_message.c_str());
         }
-    });
+    }, loop);
 }
 
 
diff --git a/src/util/filesource.cpp b/src/util/filesource.cpp
index 7f184405f..2bbf146b0 100644
--- a/src/util/filesource.cpp
+++ b/src/util/filesource.cpp
@@ -6,8 +6,7 @@
 
 namespace mbgl {
 
-FileSource::FileSource(const std::shared_ptr<uv::loop> &loop)
-    : loop(loop) {}
+FileSource::FileSource() {}
 
 
 void FileSource::setBase(const std::string &value) {
@@ -18,7 +17,7 @@ const std::string &FileSource::getBase() const {
     return base;
 }
 
-void FileSource::load(ResourceType type, const std::string &url, std::function<void(platform::Response *)> callback) {
+void FileSource::load(ResourceType type, const std::string &url, std::function<void(platform::Response *)> callback, const std::shared_ptr<uv::loop> loop) {
     // convert relative URLs to absolute URLs
 
     const std::string absoluteURL = [&]() -> std::string {