diff --git a/modrinth/install.go b/modrinth/install.go
index 75b6745..f45c00a 100644
--- a/modrinth/install.go
+++ b/modrinth/install.go
@@ -411,7 +411,8 @@ func createFileMeta(project *modrinthApi.Project, version *modrinthApi.Version,
 
 	side := getSide(project)
 	if side == "" {
-		return errors.New("version doesn't have a side that's supported. Server: " + *project.ServerSide + " Client: " + *project.ClientSide)
+		fmt.Println("Warning: Project doesn't have a side that's supported; assuming universal. Server: " + *project.ServerSide + " Client: " + *project.ClientSide)
+		side = core.UniversalSide
 	}
 
 	algorithm, hash := getBestHash(file)
diff --git a/url/install.go b/url/install.go
index e9e38de..22a17cd 100644
--- a/url/install.go
+++ b/url/install.go
@@ -72,6 +72,7 @@ var installCmd = &cobra.Command{
 		modMeta := core.Mod{
 			Name:     args[0],
 			FileName: filename,
+			Side:     core.UniversalSide,
 			Download: core.ModDownload{
 				URL:        args[1],
 				HashFormat: "sha256",