diff --git a/bitbake/lib/bb/parse/ast.py b/bitbake/lib/bb/parse/ast.py
index e1bf82fe90..cff0d2b453 100644
--- a/bitbake/lib/bb/parse/ast.py
+++ b/bitbake/lib/bb/parse/ast.py
@@ -226,6 +226,8 @@ class ExportFuncsNode(AstNode):
             for flag in [ "dirs" ]:
                 if data.getVarFlag(func, flag):
                     data.setVarFlag(calledfunc, flag, data.getVarFlag(func, flag))
+            data.setVarFlag(func, "filename", "autogenerated")
+            data.setVarFlag(func, "lineno", 1)
 
             if data.getVarFlag(calledfunc, "python"):
                 data.setVar(func, "    bb.build.exec_func('" + calledfunc + "', d)\n", parsing=True)