diff --git a/mvt.hpp b/mvt.hpp
index 55c0ff03..f8b91bef 100644
--- a/mvt.hpp
+++ b/mvt.hpp
@@ -8,8 +8,8 @@ enum mvt_operation {
 };
 
 struct mvt_geometry {
-	int x;
-	int y;
+	long long x;
+	long long y;
 	int /* mvt_operation */ op;
 
 	mvt_geometry(int op, long long x, long long y);