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-rw-r--r--src/mbgl/map/transform_state.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mbgl/map/transform_state.cpp b/src/mbgl/map/transform_state.cpp
index da21487d67..8e297ae8cf 100644
--- a/src/mbgl/map/transform_state.cpp
+++ b/src/mbgl/map/transform_state.cpp
@@ -255,7 +255,7 @@ void TransformState::setViewportMode(ViewportMode val) {
#pragma mark - Camera options
-CameraOptions TransformState::getCameraOptions(optional<EdgeInsets> padding) const {
+CameraOptions TransformState::getCameraOptions(const optional<EdgeInsets>& padding) const {
return CameraOptions()
.withCenter(getLatLng())
.withPadding(padding ? padding : edgeInsets)