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-rw-r--r--src/mbgl/renderer/circle_bucket.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mbgl/renderer/circle_bucket.cpp b/src/mbgl/renderer/circle_bucket.cpp
index 9c1c5a6b44..3e98d725bb 100644
--- a/src/mbgl/renderer/circle_bucket.cpp
+++ b/src/mbgl/renderer/circle_bucket.cpp
@@ -44,7 +44,7 @@ void CircleBucket::addGeometry(const GeometryCollection& geometryCollection) {
if ((mode != MapMode::Still) &&
(x < 0 || x >= util::EXTENT || y < 0 || y >= util::EXTENT)) continue;
- if (segments.back().vertexLength + vertexLength > std::numeric_limits<uint16_t>::max()) {
+ if (segments.empty() || segments.back().vertexLength + vertexLength > std::numeric_limits<uint16_t>::max()) {
// Move to a new segments because the old one can't hold the geometry.
segments.emplace_back(vertices.size(), triangles.size());
}