diff --git a/src/atlas/grid/detail/grid/CubedSphere2.cc b/src/atlas/grid/detail/grid/CubedSphere2.cc
index c3ddde7b7..b51de450a 100644
--- a/src/atlas/grid/detail/grid/CubedSphere2.cc
+++ b/src/atlas/grid/detail/grid/CubedSphere2.cc
@@ -2,6 +2,7 @@
 
 #include <cmath>
 
+#include "eckit/geometry/Sphere.h"
 #include "eckit/utils/Hash.h"
 
 namespace atlas {