1 files changed, 4 insertions, 0 deletions
diff --git a/src/mbgl/style/sources/custom_geometry_source_impl.cpp b/src/mbgl/style/sources/custom_geometry_source_impl.cpp
index 95da377277..e456bd8719 100644
--- a/src/mbgl/style/sources/custom_geometry_source_impl.cpp
+++ b/src/mbgl/style/sources/custom_geometry_source_impl.cpp
@@ -13,6 +13,10 @@ CustomGeometrySource::Impl::Impl(std::string id_, CustomGeometrySource::Options
 CustomGeometrySource::Impl::Impl(const Impl& impl, ActorRef<CustomTileLoader> loaderRef_)
     : Source::Impl(impl), tileOptions(impl.tileOptions), zoomRange(impl.zoomRange), loaderRef(loaderRef_) {}
 
+bool CustomGeometrySource::Impl::operator!=(const Impl& other) const noexcept {
+    return tileOptions != other.tileOptions || zoomRange != other.zoomRange || bool(loaderRef) != bool(other.loaderRef);
+}
+
 optional<std::string> CustomGeometrySource::Impl::getAttribution() const {
     return {};
 }