diff --git a/source/RobotAPI/components/units/ForceTorqueObserver.cpp b/source/RobotAPI/components/units/ForceTorqueObserver.cpp
index 58a5eb9ed9e4a89fb724219ce64a6b85236b310c..a2f4135e4f835166d911f5fc373919cc1885ffe8 100644
--- a/source/RobotAPI/components/units/ForceTorqueObserver.cpp
+++ b/source/RobotAPI/components/units/ForceTorqueObserver.cpp
@@ -36,6 +36,8 @@
 
 #include <RobotAPI/libraries/core/RobotAPIObjectFactories.h>
 
+#include <boost/algorithm/string/trim.hpp>
+
 #define RAWFORCE "_rawforcevectors"
 #define OFFSETFORCE "_forceswithoffsetvectors"
 #define FILTEREDFORCE "_filteredforcesvectors"