diff --git a/Libraries/Param_Helpers.js b/Libraries/Param_Helpers.js
index 6d058931..d43bdde9 100644
--- a/Libraries/Param_Helpers.js
+++ b/Libraries/Param_Helpers.js
@@ -92,9 +92,9 @@ function param_to_string(value)
 // Return formatted text for param download
 function get_param_download_text(params)
 {
-    // Sort alphabetically, localeCompare does underscores differently to built in sort
+    // Natural sort to match MAVProxy and Mission Planner param file ordering
     const keys = Object.keys(params).sort((a, b) =>
-        a.localeCompare(b)
+        a.localeCompare(b, undefined, {numeric: true})
     )
 
     let text = ""
diff --git a/LogFinder/LogFinder.js b/LogFinder/LogFinder.js
index 5e5b0eda..b1587848 100644
--- a/LogFinder/LogFinder.js
+++ b/LogFinder/LogFinder.js
@@ -386,7 +386,7 @@ function setup_table(logs) {
 
                 // Sort alphabetically, localeCompare does underscores differently to built in sort
                 function param_sort(a, b) {
-                    return a.localeCompare(b)
+                    return a.localeCompare(b, undefined, {numeric: true})
                 }
 
                 if (Object.keys(diff.added).length > 0) {