diff --git a/src/report/report-gnome/gnc-plugin-page-report.c b/src/report/report-gnome/gnc-plugin-page-report.c
index 1472003b97..d2b456c5fc 100644
--- a/src/report/report-gnome/gnc-plugin-page-report.c
+++ b/src/report/report-gnome/gnc-plugin-page-report.c
@@ -1613,7 +1613,7 @@ static GncInvoice *lookup_invoice(GncPluginPageReportPrivate *priv)
             "Invoice Number", NULL);
 }
 
-#define GNC_PREFS_GROUP_REPORT_PDFEXPORT GNC_PREFS_GROUP_GENERAL_REPORT "/pdf-export"
+#define GNC_PREFS_GROUP_REPORT_PDFEXPORT GNC_PREFS_GROUP_GENERAL_REPORT ".pdf-export"
 #define GNC_PREF_FILENAME_DATE_FMT "filename-date-format"
 #define GNC_PREF_FILENAME_FMT "filename-format"