diff --git a/flake.lock b/flake.lock
index 4e3484063..33f60334f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -194,11 +194,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1711109355,
-        "narHash": "sha256-VZPO5mq2di5yjHkkY9ZGEIZaX7EtdusSkxICBAtHAec=",
+        "lastModified": 1711585351,
+        "narHash": "sha256-rVJ/lRPQNCjU/98SZmQUhksoZOrKajwGS1UmEMuXzss=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "5fe52bdf2c213e47712d93c9ce12dfed4c4cef86",
+        "rev": "6ac62029cf9a5fd2cec831a2dfc541f3cae63297",
         "type": "github"
       },
       "original": {
diff --git a/src/build/fish_completions.zig b/src/build/fish_completions.zig
index f789c0d10..b72360e7d 100644
--- a/src/build/fish_completions.zig
+++ b/src/build/fish_completions.zig
@@ -19,7 +19,8 @@ fn comptimeGenerateFishCompletions() []const u8 {
         var buf: [counter.bytes_written]u8 = undefined;
         var stream = std.io.fixedBufferStream(&buf);
         try writeFishCompletions(stream.writer());
-        return stream.getWritten();
+        const final = buf;
+        return final[0..stream.getWritten().len];
     }
 }
 
diff --git a/src/config/vim.zig b/src/config/vim.zig
index a57a59b72..c5fe4cd6d 100644
--- a/src/config/vim.zig
+++ b/src/config/vim.zig
@@ -35,7 +35,8 @@ fn comptimeGenSyntax() []const u8 {
         var buf: [counting_writer.bytes_written]u8 = undefined;
         var stream = std.io.fixedBufferStream(&buf);
         try writeSyntax(stream.writer());
-        return stream.getWritten();
+        const final = buf;
+        return final[0..stream.getWritten().len];
     }
 }