1 files changed, 5 insertions, 3 deletions
diff --git a/src/mbgl/map/transform_state.hpp b/src/mbgl/map/transform_state.hpp
index 8e2b4b273c..a82f59a9b3 100644
--- a/src/mbgl/map/transform_state.hpp
+++ b/src/mbgl/map/transform_state.hpp
@@ -114,10 +114,11 @@ public:
 
     void setLatLngZoom(const LatLng& latLng, double zoom);
 
-private:
+    void constrain();
     void updateMatrix();
+
+private:
     bool rotatedNorth() const;
-    void constrain();
     void constrain(double& scale, double& x, double& y) const;
 
     // Viewport center offset, from [size.width / 2, size.height / 2], defined
@@ -173,7 +174,8 @@ private:
     double Bc = Projection::worldSize(scale) / util::DEGREES_MAX;
     double Cc = Projection::worldSize(scale) / util::M2PI;
 
-    mat4 coordiMatrix;
+    bool matrixUpdated{false};
+    mat4 coordMatrix;
     mat4 invertedMatrix;
 };