diff --git a/src/ReportBase/_GraphvizReportDialog.py b/src/ReportBase/_GraphvizReportDialog.py
index 1198b1c12..accd8faea 100644
--- a/src/ReportBase/_GraphvizReportDialog.py
+++ b/src/ReportBase/_GraphvizReportDialog.py
@@ -820,7 +820,7 @@ if _DOT_FOUND:
     
     _FORMATS += [{ 'type' : "svgz",
                    'ext'  : "svgz",
-                   'descr': _("Compressed Structured Vector Graphs (SVG)"), 
+                   'descr': _("Compressed Structured Vector Graphs (SVGZ)"), 
                    'mime' : "image/svgz", 
                    'class': GVSvgzDoc }]