--- a/client/src/components/gauge/HydrologicalConditions.vue	Tue Sep 24 13:37:39 2019 +0200
+++ b/client/src/components/gauge/HydrologicalConditions.vue	Tue Sep 24 16:39:06 2019 +0200
@@ -108,6 +108,7 @@
 import { HTTP } from "@/lib/http";
 import { displayError } from "@/lib/errors";
 import { defaultDiagramTemplate } from "@/lib/DefaultDiagramTemplate";
+import sanitize from "sanitize-filename";
 
 export default {
   mixins: [diagram, pdfgen, templateLoader],
@@ -223,11 +224,10 @@
         templateData: this.templateData,
         diagramTitle: diagramTitle
       });
-
-      this.pdf.doc.save(
-        this.selectedGaugeD.properties.objname +
-          " Hydrological-condition Diagram.pdf"
-      );
+      const filename = `HydrologicalCondition-${sanitize(
+        this.selectedGaugeD.properties.objname
+      )}-${this.dateForPDF()}.pdf`;
+      this.pdf.doc.save(filename);
     },
     applyChange() {
       if (this.form.template.hasOwnProperty("properties")) {