diff --git a/lib/functions/install.dart b/lib/functions/install.dart
index d7d66f7..bf49077 100644
--- a/lib/functions/install.dart
+++ b/lib/functions/install.dart
@@ -45,7 +45,7 @@ Widget install(
     enableSudo: enableSudo,
     rootPass: rootPass,
     desktop: desktop,
-    disk: disk,
+    disk: disk.replaceAll("/dev/", ""),
     isEfi: isEfi,
     bootloader: bootloader,
     hostname: hostname,
diff --git a/lib/main.dart b/lib/main.dart
index d4abe9c..a19e747 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -21,7 +21,7 @@ Future<void> checkIsEfi(setState) async {
           .then((ProcessResult result) {
     return result.stdout;
   });
-  bool isEfi = scriptOutput == "UEFI" ? false : true;
+  bool isEfi = scriptOutput == "UEFI" ? true : false;
   debugPrint(isEfi.toString());
   debugPrint(scriptOutput);
   setState(isEfi);