diff --git a/apps/phystrax/app.js b/apps/phystrax/app.js
index e51d0ab7f..3ecb5d04e 100644
--- a/apps/phystrax/app.js
+++ b/apps/phystrax/app.js
@@ -46,7 +46,7 @@ function handleHeartRate(hrm) {
         // Calculate and add SDNN (standard deviation of NN intervals) to the last log entry
         logData[logData.length - 1].hrv = calcSDNN();
         drawScreen();
-        
+
     }
 }
 
@@ -129,7 +129,7 @@ function drawScreen(message) {
 }
 
 function saveDataToCSV() {
-    let fileName = "heart_rate_data.csv";
+    let fileName = "phystrax_hrm.csv";
     let file = require("Storage").open(fileName, "a"); // Open the file for appending
 
     // Check if the file is empty (i.e., newly created)
diff --git a/apps/phystrax/interface.html b/apps/phystrax/interface.html
index fb550cb21..4d1933df6 100644
--- a/apps/phystrax/interface.html
+++ b/apps/phystrax/interface.html
@@ -17,7 +17,7 @@ function getData() {
   Util.showModal("Loading...");
   // get the data
   dataElement.innerHTML = "";
-  Util.readStorageFile(`heart_rate_data.csv`,data=>{
+  Util.readStorageFile(`phystrax_hrm.csv`,data=>{
     csvData = data.trim();
     // remove window
     Util.hideModal();
@@ -45,12 +45,12 @@ function getData() {
 
 // You can call a utility function to save the data
 document.getElementById("btnSave").addEventListener("click", function() {
-  Util.saveCSV("heart_rate_data.csv", csvData);
+  Util.saveCSV("phystrax_hrm.csv", csvData);
 });
 // Or you can also delete the file
 document.getElementById("btnDelete").addEventListener("click", function() {
   Util.showModal("Deleting...");
-  Util.eraseStorageFile("heart_rate_data.csv", function() {
+  Util.eraseStorageFile("phystrax_hrm.csv", function() {
     Util.hideModal();
     getData();
   });
diff --git a/apps/phystrax/metadata.json b/apps/phystrax/metadata.json
index c9e41b1db..bcc0be70d 100644
--- a/apps/phystrax/metadata.json
+++ b/apps/phystrax/metadata.json
@@ -12,5 +12,5 @@
     {"name":"phystrax.app.js","url":"app.js"},
     {"name":"phystrax.img","url":"app-icon.js","evaluate":true}
   ],
-  "data": [{"wildcard":"phystrax_hrm.?.csv"}]
-}
\ No newline at end of file
+  "data": [{"name":"phystrax_hrm.csv"}]
+}