diff --git a/src/angle-estimator.cpp b/src/angle-estimator.cpp
index efc2f3d3f276a1343840a210185bb1fb61e73168..f4ad42029e04bc71af5cb7802cbde9fa54282fc9 100644
--- a/src/angle-estimator.cpp
+++ b/src/angle-estimator.cpp
@@ -21,6 +21,8 @@
 #include <sot-core/debug.h>
 #include <dynamic-graph/factory.h>
 
+#include <MatrixAbstractLayer/MatrixAbstractLayer.h>
+
 using namespace sot;
 using namespace dynamicgraph;