diff --git a/unsupported/Eigen/src/EulerAngles/EulerAngles.h b/unsupported/Eigen/src/EulerAngles/EulerAngles.h
index 2a12c8da3..a5d034d71 100644
--- a/unsupported/Eigen/src/EulerAngles/EulerAngles.h
+++ b/unsupported/Eigen/src/EulerAngles/EulerAngles.h
@@ -292,7 +292,7 @@ namespace Eigen
       EulerAngles<NewScalarType, System> cast() const
       {
         EulerAngles<NewScalarType, System> e;
-        e.angles() = angles().cast<NewScalarType>();
+        e.angles() = angles().template cast<NewScalarType>();
         return e;
       }
   };