diff --git a/python/gtsam/gtsam.tpl b/python/gtsam/gtsam.tpl
index 634a81e90..60b3d1fd0 100644
--- a/python/gtsam/gtsam.tpl
+++ b/python/gtsam/gtsam.tpl
@@ -25,7 +25,7 @@
 {boost_class_export}
 
 // Holder type for pybind11
-{hoder_type}
+{holder_type}
 
 // Preamble for STL classes
 // TODO(fan): make this automatic
diff --git a/python/gtsam_unstable/gtsam_unstable.tpl b/python/gtsam_unstable/gtsam_unstable.tpl
index 1d9dfaa40..111e46d5e 100644
--- a/python/gtsam_unstable/gtsam_unstable.tpl
+++ b/python/gtsam_unstable/gtsam_unstable.tpl
@@ -22,7 +22,7 @@
 
 {boost_class_export}
 
-{hoder_type}
+{holder_type}
 
 #include "python/gtsam_unstable/preamble.h"