diff --git a/src/main.zig b/src/main.zig
index 5ced148..d460eb8 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -6,9 +6,11 @@ pub fn main() !void {
     defer _ = gpa.deinit();
     const allocator = gpa.allocator();
 
-    const username = std.os.getenv("USER");
+    const env = try std.process.getEnvVarOwned(allocator, "USER");
+    defer allocator.free(env);
 
-    const path = try std.fmt.allocPrint(allocator, "/home/{s}/.config/lister/data.json", .{username});
+    const path = try std.fmt.allocPrint(allocator, "/home/{s}/.config/lister/data.json", .{env});
+    defer allocator.free(path);
 
     const file = try std.fs.cwd().openFile(path, .{});
     defer file.close();