diff --git a/src/ag-window.c b/src/ag-window.c
index 4c53499..83941b1 100644
--- a/src/ag-window.c
+++ b/src/ag-window.c
@@ -1890,6 +1890,13 @@ ag_window_new(AgApp *app, WebKitUserContentManager *manager)
             TRUE, TRUE, 0
         );
 
+    g_signal_connect(
+            priv->chart_web_view,
+            "context-menu",
+            G_CALLBACK(ag_window_chart_context_cb),
+            NULL
+        );
+
     // TODO: translate this error message!
     webkit_web_view_load_html(
             WEBKIT_WEB_VIEW(priv->chart_web_view),
diff --git a/src/resources/ui/chart-default.xsl b/src/resources/ui/chart-default.xsl
index 99d0034..4913f5b 100644
--- a/src/resources/ui/chart-default.xsl
+++ b/src/resources/ui/chart-default.xsl
@@ -652,7 +652,7 @@
                             </xsl:for-each>
                         </g>
 
-                        <g id="antiscia" style="visibility:hidden">
+                        <g id="antiscia" visibility="hidden">
                             <xsl:for-each select="chartinfo/antiscia/antiscia">
                                 <xsl:variable name="planet1" select="@body1"/>
                                 <xsl:variable name="deg1">