diff --git a/src/grammars.hpp b/src/grammars.hpp
index 859d5b8..1b4b49d 100644
--- a/src/grammars.hpp
+++ b/src/grammars.hpp
@@ -62,7 +62,7 @@
     get_::name >> -(space_separator >> ((dataPathListEnd | dataPath) | (module >> "*")));
 
 auto const set_def =
-    set_::name >> space_separator > leafPath > space_separator > leaf_data;
+    set_::name >> space_separator > writableLeafPath > space_separator > leaf_data;
 
 auto const commit_def =
     commit_::name >> x3::attr(commit_());