diff --git a/src/io/PipeReader.zig b/src/io/PipeReader.zig
index 7c82a1a38f..ba9d7e234a 100644
--- a/src/io/PipeReader.zig
+++ b/src/io/PipeReader.zig
@@ -951,7 +951,7 @@ pub const WindowsBufferedReader = struct {
                 bun.default_allocator.free(to_free);
                 to_free = &.{};
 
-                this.onRead(.{ .result = len }, this.buffer().items[this.buffer().items.len - len..this.buffer().items.len], .progress);
+                this.onRead(.{ .result = len }, this.buffer().items[this.buffer().items.len - len .. this.buffer().items.len], .progress);
             },
         }
     }
@@ -1031,7 +1031,7 @@ pub const WindowsBufferedReader = struct {
                         bun.default_allocator.free(buffer_to_free);
                         buffer_to_free = &.{};
 
-                        return this.onRead(.{ .result = len }, this.buffer().items[this.buffer().items.len - len..this.buffer().items.len], .progress);
+                        return this.onRead(.{ .result = len }, this.buffer().items[this.buffer().items.len - len .. this.buffer().items.len], .progress);
                     }
                 }