diff --git a/modrinth/mrpack/index.go b/modrinth/mrpack/index.go
index 233d1cc..d6517ae 100644
--- a/modrinth/mrpack/index.go
+++ b/modrinth/mrpack/index.go
@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"strings"
 )
 
 import modrinth "github.com/nothub/mrpack-install/modrinth/api"
@@ -86,5 +87,10 @@ func ReadIndex(zipFile string) (*Index, error) {
 		return nil, err
 	}
 
+	// https://github.com/modrinth/docs/issues/85 ¯\_(ツ)_/¯
+	for _, file := range index.Files {
+		file.Path = strings.ReplaceAll(file.Path, "\\", "/")
+	}
+
 	return &index, nil
 }