diff --git a/src/DocumentStore.zig b/src/DocumentStore.zig
index bf4b662..eef7316 100644
--- a/src/DocumentStore.zig
+++ b/src/DocumentStore.zig
@@ -190,6 +190,8 @@ fn loadPackages(context: LoadPackagesContext) !void {
                         };
                     }
                 }
+            } else {
+                return error.RunFailed;
             }
         },
         else => return error.RunFailed,
@@ -268,7 +270,7 @@ fn newDocument(self: *DocumentStore, uri: []const u8, text: [:0]u8) anyerror!*Ha
             .cache_root = self.zig_cache_root,
             .global_cache_root = self.zig_global_cache_root,
         }) catch |err| {
-            log.debug("Failed to load packages of build file {s} (error: {})", .{ build_file.uri, err });
+            log.warn("Failed to load packages of build file {s} (error: {})", .{ build_file.uri, err });
         };
 
         try self.build_files.append(self.allocator, build_file);
@@ -537,7 +539,7 @@ pub fn applySave(self: *DocumentStore, handle: *Handle) !void {
             .cache_root = self.zig_cache_root,
             .global_cache_root = self.zig_global_cache_root,
         }) catch |err| {
-            log.debug("Failed to load packages of build file {s} (error: {})", .{ build_file.uri, err });
+            log.warn("Failed to load packages of build file {s} (error: {})", .{ build_file.uri, err });
         };
     }
 }
diff --git a/src/main.zig b/src/main.zig
index 8fd812d..ada5ae5 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -1081,7 +1081,7 @@ fn completeLabel(arena: *std.heap.ArenaAllocator, id: types.RequestId, pos_index
         .orig_handle = handle,
     };
     try analysis.iterateLabels(handle, pos_index, declToCompletion, context);
-    sortCompletionItems(completions.items, config);
+    sortCompletionItems(completions.items, config, arena.allocator());
     truncateCompletions(completions.items, config.max_detail_length);
 
     try send(arena, types.Response{
@@ -1154,7 +1154,7 @@ fn completeGlobal(arena: *std.heap.ArenaAllocator, id: types.RequestId, pos_inde
         .orig_handle = handle,
     };
     try analysis.iterateSymbolsGlobal(&document_store, arena, handle, pos_index, declToCompletion, context);
-    sortCompletionItems(completions.items, config);
+    sortCompletionItems(completions.items, config, arena.allocator());
     truncateCompletions(completions.items, config.max_detail_length);
 
     if (client_capabilities.label_details_support) {
@@ -1188,7 +1188,7 @@ fn completeFieldAccess(arena: *std.heap.ArenaAllocator, id: types.RequestId, han
     if (try analysis.getFieldAccessType(&document_store, arena, handle, position.absolute_index, &tokenizer)) |result| {
         held_range.release();
         try typeToCompletion(arena, &completions, result, handle, config);
-        sortCompletionItems(completions.items, config);
+        sortCompletionItems(completions.items, config, arena.allocator());
         truncateCompletions(completions.items, config.max_detail_length);
         if (client_capabilities.label_details_support) {
             for (completions.items) |*item| {
@@ -1397,7 +1397,10 @@ fn completeError(arena: *std.heap.ArenaAllocator, id: types.RequestId, handle: *
 }
 
 fn kindToSortScore(kind: types.CompletionItem.Kind) [] const u8 {
-    return switch (kind) {
+    return switch (kind)
+    {
+        .Constant => "1_",
+
         .Variable => "2_",
         .Field => "3_",
         .Function => "4_",
@@ -1415,10 +1418,16 @@ fn kindToSortScore(kind: types.CompletionItem.Kind) [] const u8 {
     };
 }
 
-fn sortCompletionItems(completions: []types.CompletionItem, _: *const Config) void {
+fn sortCompletionItems(completions: []types.CompletionItem, _: *const Config, alloc: std.mem.Allocator) void {
     // TODO: config for sorting rule?
     for (completions) |*c| {
         c.sortText = kindToSortScore(c.kind);
+        
+        if (alloc.alloc(u8, 2 + c.label.len)) |it| {
+            std.mem.copy(u8, it, c.sortText.?);
+            std.mem.copy(u8, it[2 .. ], c.label);
+            c.sortText = it;
+        } else |_| {}
     }
 }
 
@@ -1427,7 +1436,7 @@ fn completeDot(arena: *std.heap.ArenaAllocator, id: types.RequestId, handle: *Do
     defer tracy_zone.end();
 
     var completions = try document_store.enumCompletionItems(arena, handle);
-    sortCompletionItems(completions, config);
+    sortCompletionItems(completions, config, arena.allocator());
     truncateCompletions(completions, config.max_detail_length);
 
     try send(arena, types.Response{
@@ -2094,6 +2103,8 @@ pub fn main() anyerror!void {
     if (!args_it.skip()) @panic("Could not find self argument");
 
     var config_path: ?[]const u8 = null;
+    defer if (config_path) |path| allocator.free(path);
+
     var next_arg_config_path = false;
     while (args_it.next()) |arg| {
         if (next_arg_config_path) {
@@ -2133,13 +2144,14 @@ pub fn main() anyerror!void {
 
     config_read: {
         if (config_path) |path| {
-            defer allocator.free(path);
             if (loadConfigFile(path)) |conf| {
                 config = conf;
                 break :config_read;
             }
             std.debug.print("Could not open configuration file '{s}'\n", .{path});
             std.debug.print("Falling back to a lookup in the local and global configuration folders\n", .{});
+            allocator.free(path);
+            config_path = null;
         }
         if (try known_folders.getPath(allocator, .local_configuration)) |path| {
             config_path = path;
diff --git a/src/types.zig b/src/types.zig
index 4a00a52..9dcca6e 100644
--- a/src/types.zig
+++ b/src/types.zig
@@ -261,6 +261,7 @@ pub const CompletionItem = struct {
 pub const CompletionItemLabelDetails = struct {
     detail: ?string,
     description: ?string,
+    sortText: ?string = null,
 };
 
 pub const DocumentSymbol = struct {
diff --git a/tests/sessions.zig b/tests/sessions.zig
index 9c5a350..5f4d84a 100644
--- a/tests/sessions.zig
+++ b/tests/sessions.zig
@@ -186,7 +186,7 @@ test "Request completion with no trailing whitespace" {
     try server.request("textDocument/completion",
         \\{"textDocument":{"uri":"file:///test.zig"}, "position":{"line":1,"character":1}}
     ,
-        \\{"isIncomplete":false,"items":[{"label":"std","kind":21,"textEdit":null,"filterText":null,"insertText":"std","insertTextFormat":1,"detail":"const std = @import(\"std\")","documentation":null}]}
+         \\{"isIncomplete":false,"items":[{"label":"std","kind":21,"textEdit":null,"filterText":null,"insertText":"std","insertTextFormat":1,"detail":"const std = @import(\"std\")","documentation":null,"sortText":"1_std"}]}
     );
 }