1 files changed, 1 insertions, 0 deletions
diff --git a/libsolidity/ast/ASTForward.h b/libsolidity/ast/ASTForward.h
index 59fc1b57..52bbf396 100644
--- a/libsolidity/ast/ASTForward.h
+++ b/libsolidity/ast/ASTForward.h
@@ -54,6 +54,7 @@ class MagicVariableDeclaration;
 class TypeName;
 class ElementaryTypeName;
 class UserDefinedTypeName;
+class FunctionTypeName;
 class Mapping;
 class ArrayTypeName;
 class Statement;