diff --git a/scripts/importscripts/zhv.ts b/scripts/importscripts/zhv.ts
index e608196bc..b2f03cca0 100644
--- a/scripts/importscripts/zhv.ts
+++ b/scripts/importscripts/zhv.ts
@@ -21,10 +21,16 @@ class ZHVcsv2GeoJson extends Script {
         const text = readFileSync(csvFile, "utf-8")
         const parsed = parse(text, {
             header: true,
-            dynamicTyping: true,
+            dynamicTyping: false,
         })
 
         console.log(`Parsed ${parsed.data.length} rows from ${csvFile}`)
+        console.log(`First row:`, parsed.data[0])
+
+        // Drop all rows that do not have a valid latitude and longitude
+        parsed.data = parsed.data.filter((row: any) => {
+            return row["Latitude"] && row["Longitude"]
+        })
 
         // Convert the parsed data to GeoJSON format
         const geoJson: FeatureCollection<Point> = {
@@ -33,12 +39,17 @@ class ZHVcsv2GeoJson extends Script {
                 type: "Feature",
                 geometry: {
                     type: "Point",
-                    coordinates: [row.longitude, row.latitude],
+                    coordinates: [
+                        parseFloat(row["Longitude"].replace(",", ".")),
+                        parseFloat(row["Latitude"].replace(",", ".")),
+                    ],
                 },
                 properties: row,
             })),
         }
 
+        console.log(`First feature:`, geoJson.features[0])
+
         // Write the GeoJSON output to the specified file
         writeFileSync(outputFile, JSON.stringify(geoJson), "utf-8")
     }