diff --git a/cmake/GtsamMatlabWrap.cmake b/cmake/GtsamMatlabWrap.cmake
index d1d3d93dd..0755675b4 100644
--- a/cmake/GtsamMatlabWrap.cmake
+++ b/cmake/GtsamMatlabWrap.cmake
@@ -209,7 +209,7 @@ function(wrap_library_internal interfaceHeader linkLibraries extraIncludeDirs ex
 		OUTPUT ${generated_cpp_file}
 		DEPENDS ${interfaceHeader} wrap ${module_library_target} ${otherLibraryTargets} ${otherSourcesAndObjects}
         COMMAND 
-            wrap
+            wrap --matlab
             ${modulePath}
             ${moduleName} 
             ${generated_files_path}