diff --git a/bin/report/render/rml2pdf/utils.py b/bin/report/render/rml2pdf/utils.py
index ca51f136b6d..be8695e7eb3 100644
--- a/bin/report/render/rml2pdf/utils.py
+++ b/bin/report/render/rml2pdf/utils.py
@@ -55,7 +55,7 @@ def xml2str(s):
 def _child_get(node, self=None, tagname=None):
     for n in node:
         if self and self.localcontext and n.get('rml_loop'):
-            oldctx = self.localcontext
+            oldctx = dict(self.localcontext)
 
             for ctx in eval(n.get('rml_loop'),{}, self.localcontext):
                 self.localcontext.update(ctx)