diff --git a/src/passes/1-parser/pascaligo/.links b/src/passes/1-parser/pascaligo/.links
index f0fdfb646..3c0ffd08a 100644
--- a/src/passes/1-parser/pascaligo/.links
+++ b/src/passes/1-parser/pascaligo/.links
@@ -4,6 +4,9 @@ $HOME/git/ligo/vendors/ligo-utils/simple-utils/pos.mli
 $HOME/git/ligo/vendors/ligo-utils/simple-utils/pos.ml
 $HOME/git/ligo/vendors/ligo-utils/simple-utils/region.mli
 $HOME/git/ligo/vendors/ligo-utils/simple-utils/region.ml
+$HOME/git/ligo/vendors/ligo-utils/simple-utils/x_map.ml
+$HOME/git/ligo/vendors/ligo-utils/simple-utils/x_list.ml
+$HOME/git/ligo/vendors/ligo-utils/simple-utils/x_option.ml
 ../shared/Lexer.mli
 ../shared/Lexer.mll
 ../shared/Error.mli
diff --git a/src/passes/1-parser/pascaligo/Stubs/Simple_utils.ml b/src/passes/1-parser/pascaligo/Stubs/Simple_utils.ml
index 0360af1b5..61a721ba3 100644
--- a/src/passes/1-parser/pascaligo/Stubs/Simple_utils.ml
+++ b/src/passes/1-parser/pascaligo/Stubs/Simple_utils.ml
@@ -1,2 +1,3 @@
 module Region = Region
 module Pos = Pos
+module Option = X_option