diff --git a/Doxyfile b/Doxyfile
index 746f7eb5e..ba0f8bfaf 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -644,6 +644,7 @@ INPUT                  = gtsam/base \
                          gtsam/discrete \
                          gtsam/linear \
                          gtsam/nonlinear \
+                         gtsam/slam \
                          gtsam \
                          gtsam_unstable/slam \
                          gtsam_unstable/base \