diff --git a/src/Migrations.ts b/src/Migrations.ts
index 0a9e84be..62bf1899 100644
--- a/src/Migrations.ts
+++ b/src/Migrations.ts
@@ -3,8 +3,8 @@ import {newShellCommandConfiguration, ShellCommandConfiguration} from "./setting
 
 export async function RunMigrations(plugin: ShellCommandsPlugin) {
     let save = MigrateCommandsToShellCommands(plugin);
-    save ||= EnsureShellCommandsHaveAllFields(plugin);
     save ||= MigrateShellCommandToPlatforms(plugin);
+    save ||= EnsureShellCommandsHaveAllFields(plugin);
     if (save) {
         // Only save if there were changes to configuration.
         console.log("Saving migrations...")
@@ -84,17 +84,17 @@ function MigrateShellCommandToPlatforms(plugin: ShellCommandsPlugin) {
     let save = false;
     for (let shell_command_id in plugin.settings.shell_commands) {
         let shell_command_configuration: ShellCommandConfiguration = plugin.settings.shell_commands[shell_command_id];
-        if (null !== shell_command_configuration.shell_command) {
+        if (undefined !== shell_command_configuration.shell_command) {
             // The shell command should be migrated.
-            if (undefined !== shell_command_configuration.platforms) {
-                console.log("Migration failure for shell command #" + shell_command_id + ": shell_commands exists already.");
-            } else {
-                console.log("Migrating shell command #" + shell_command_id + ": shell_command string will be moved to shell_commands.default: " + shell_command_configuration.shell_command);
+            if (undefined === shell_command_configuration.platforms || shell_command_configuration.platforms.default === "") {
+                console.log("Migrating shell command #" + shell_command_id + ": shell_command string will be moved to platforms.default: " + shell_command_configuration.shell_command);
                 shell_command_configuration.platforms = {
                     default: shell_command_configuration.shell_command,
                 };
-                shell_command_configuration.shell_command = null;
+                delete shell_command_configuration.shell_command;
                 save = true;
+            } else {
+                console.log("Migration failure for shell command #" + shell_command_id + ": platforms exists already.");
             }
         }
     }
diff --git a/src/settings/ShellCommandConfiguration.ts b/src/settings/ShellCommandConfiguration.ts
index 37929ecf..db39e2b4 100644
--- a/src/settings/ShellCommandConfiguration.ts
+++ b/src/settings/ShellCommandConfiguration.ts
@@ -24,7 +24,7 @@ export interface ShellCommandConfiguration {
 
     // LEGACY
     /** @deprecated Can only be used for migration. */
-    shell_command: string;
+    shell_command?: string;
 }
 
 export function newShellCommandConfiguration(shell_command: string = ""): ShellCommandConfiguration {
@@ -41,8 +41,5 @@ export function newShellCommandConfiguration(shell_command: string = ""): ShellC
             stderr: "notification",
         },
         output_channel_order: "stdout-first",
-
-        // LEGACY
-        shell_command: null,
     }
 }
\ No newline at end of file