diff --git a/models/service.classes/html.queries/main.query b/models/service.classes/html.queries/main.query
index 19319b6a1a62ea40d336e82941d53606fd464f11..fcd38881151cf3b7ee63b5d861ad44f7b7b295e8 100644
--- a/models/service.classes/html.queries/main.query
+++ b/models/service.classes/html.queries/main.query
@@ -2,7 +2,7 @@
 PREFIX {{h.prefix}}: <{{h.ns}}>
 {%endfor%}
 SELECT DISTINCT ?resource WHERE {
-  {%if base.args.arg0 %}GRAPH <{{base.args.arg0}}>{ {%else%} GRAPH?g { {%endif%}
+  {%if base.args.arg0 %}GRAPH <{{base.args.arg0}}>{ {%else%} GRAPH ?g { {%endif%}
   	[] a ?resource .
   {%if base.args.arg0 %} } {%endif%}
 }