diff --git a/libyul/AsmParser.h b/libyul/AsmParser.h
index 896cb6d51..d010dc99d 100644
--- a/libyul/AsmParser.h
+++ b/libyul/AsmParser.h
@@ -23,6 +23,7 @@
 
 #pragma once
 
+#include <libyul/AST.h>
 #include <libyul/ASTForward.h>
 #include <libyul/Dialect.h>