diff --git a/src/AST/Declaration.cs b/src/AST/Declaration.cs
index 5f296692..6c341235 100644
--- a/src/AST/Declaration.cs
+++ b/src/AST/Declaration.cs
@@ -342,6 +342,7 @@ namespace CppSharp.AST
             PreprocessedEntities = new List<PreprocessedEntity>(
                 declaration.PreprocessedEntities);
             OriginalPtr = declaration.OriginalPtr;
+            LineNumber = declaration.LineNumber;
         }
 
         public override string ToString()
diff --git a/src/AST/Function.cs b/src/AST/Function.cs
index ff15e5c4..f7d19033 100644
--- a/src/AST/Function.cs
+++ b/src/AST/Function.cs
@@ -127,6 +127,7 @@ namespace CppSharp.AST
             OriginalFunction = function.OriginalFunction;
             Mangled = function.Mangled;
             Index = function.Index;
+            Signature = function.Signature;
             if (function.SpecializationInfo != null)
             {
                 SpecializationInfo = new FunctionTemplateSpecialization(function.SpecializationInfo);