diff --git a/CSVZipExport/form.json b/CSVZipExport/form.json
index 6e3e780..bb9182a 100644
--- a/CSVZipExport/form.json
+++ b/CSVZipExport/form.json
@@ -25,6 +25,21 @@
             "width": "700px",
             "requiredLogging": 1
         },
+        {
+            "type": "Select",
+            "caption": "Decimal Separator",
+            "name": "DecimalSeparator",
+            "options": [
+                {
+                    "caption": "Comma",
+                    "value": ","
+                },
+                {
+                    "caption": "Dot",
+                    "value": "."
+                }
+            ]
+        },
         {
             "type": "SelectDateTime",
             "caption": "Aggregation Start",
diff --git a/CSVZipExport/locale.json b/CSVZipExport/locale.json
index 0f4577e..592ef8d 100644
--- a/CSVZipExport/locale.json
+++ b/CSVZipExport/locale.json
@@ -26,8 +26,11 @@
             "Summary of %s (%s to %s)": "Zusammenfassung von %s (%s bis %s)",
             "In the appendix you can find the created CSV-File.": "Im Anhang finden Sie die erstellte CSV-Datei.",
             "The selected SMTP-Instance doesn't exist": "Die ausgewählte SMTP-Instanz existiert nicht",
+            "Decimal Separator": "Dezimaltrennzeichen",
             "Variable is not selected": "Variable ist nicht ausgewählt",
-            "https://www.symcon.de/en/service/documentation/module-reference/csv-zip-export/": "https://www.symcon.de/de/service/dokumentation/modulreferenz/csv-zip-export/"
+            "https://www.symcon.de/en/service/documentation/module-reference/csv-zip-export/": "https://www.symcon.de/de/service/dokumentation/modulreferenz/csv-zip-export/",
+            "Dot": "Punkt",
+            "Comma": "Komma"
         }
     }
 }
\ No newline at end of file
diff --git a/CSVZipExport/module.php b/CSVZipExport/module.php
index 9dee7e0..290eebe 100644
--- a/CSVZipExport/module.php
+++ b/CSVZipExport/module.php
@@ -26,6 +26,7 @@ public function Create()
         $this->RegisterPropertyInteger('SMTPInstance', 0);
         $this->RegisterPropertyBoolean('IntervalStatus', false);
         $this->RegisterPropertyString('MailTime', '{"hour":12,"minute":0,"second":0}');
+        $this->RegisterPropertyString('DecimalSeparator', ',');
 
         //Timer
         $this->RegisterTimer('DeleteZipTimer', 0, 'CSV_DeleteZip($_IPS[\'TARGET\']);');
@@ -106,17 +107,20 @@ public function Export(int $ArchiveVariable, int $AggregationStage, string $Aggr
         //Generate zip with aggregated values
         $tempfile = sys_get_temp_dir() . DIRECTORY_SEPARATOR . $this->GenerateFileName($ArchiveVariable);
         $zip = new ZipArchive();
+        $separator = $this->ReadPropertyString('DecimalSeparator');
         if ($zip->open($tempfile, ZipArchive::CREATE | ZipArchive::OVERWRITE) === true) {
             $content = '';
             if ($AggregationStage != 7) {
                 $loggedValues = AC_GetAggregatedValues($archiveControlID, $ArchiveVariable, $AggregationStage, $startTimeStamp, $endTimeStamp, 0);
                 for ($j = 0; $j < count($loggedValues); $j++) {
-                    $content .= date('d.m.Y H:i:s', $loggedValues[$j]['TimeStamp']) . ';' . $loggedValues[$j]['Avg'] . "\n";
+                    $value = is_numeric($loggedValues[$j]['Avg']) ? str_replace('.', $separator, '' . $loggedValues[$j]['Avg']) : $loggedValues[$j]['Avg'];
+                    $content .= date('d.m.Y H:i:s', $loggedValues[$j]['TimeStamp']) . ';' . $value . "\n";
                 }
             } else {
                 $loggedValues = AC_GetLoggedValues($archiveControlID, $ArchiveVariable, $startTimeStamp, $endTimeStamp, 0);
                 for ($j = 0; $j < count($loggedValues); $j++) {
-                    $content .= date('d.m.Y H:i:s', $loggedValues[$j]['TimeStamp']) . ';' . $loggedValues[$j]['Value'] . "\n";
+                    $value = is_numeric($loggedValues[$j]['Value']) ? str_replace('.', $separator, '' . $loggedValues[$j]['Value']) : $loggedValues[$j]['Value'];
+                    $content .= date('d.m.Y H:i:s', $loggedValues[$j]['TimeStamp']) . ';' . $value . "\n";
                 }
             }
             $zip->addFromString($this->GenerateFileName($ArchiveVariable, '.csv'), $content);
diff --git a/library.json b/library.json
index 350d8e1..51d5d34 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "compatibility": {
         "version": "5.0"
     },
-    "version": "1.2",
+    "version": "1.3",
     "build": 0,
     "date": 0
 }
\ No newline at end of file