diff --git a/fclauncher/InstanceManager.go b/fclauncher/InstanceManager.go
index 8eca06b..0ddf7ee 100644
--- a/fclauncher/InstanceManager.go
+++ b/fclauncher/InstanceManager.go
@@ -335,11 +335,11 @@ func (i *InstanceManager) InstallFabric(instance string, fabricVersion string) {
 	}
 client:
 	for _, lib := range metadata.LauncherMeta.Libraries.Client {
-		tokens := strings.Split(ProcessMavenPath(lib.Name), string(os.PathSeparator))
+		tokens := strings.Split(ProcessMavenPath(lib.Name), "/")
 		pkg := tokens[len(tokens)-2]
 		instanceObject.Libraries = append(instanceObject.Libraries, filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name)))
 		for ind, path := range instanceObject.Libraries {
-			tokens := strings.Split(path, string(os.PathSeparator))
+			tokens := strings.Split(path, "/")
 			if pkg == tokens[len(tokens)-3] {
 				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
 				fmt.Printf("duplicate library %s\n", pkg)
@@ -349,7 +349,7 @@ client:
 	}
 common:
 	for _, lib := range metadata.LauncherMeta.Libraries.Common {
-		tokens := strings.Split(ProcessMavenPath(lib.Name), string(os.PathSeparator))
+		tokens := strings.Split(ProcessMavenPath(lib.Name), "/")
 		pkg := tokens[len(tokens)-2]
 		instanceObject.Libraries = append(instanceObject.Libraries, filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name)))
 		for ind, path := range instanceObject.Libraries {
@@ -394,11 +394,11 @@ func (i *InstanceManager) InstallQuilt(instance string, quiltVersion string) {
 	}
 client:
 	for _, lib := range metadata.LauncherMeta.Libraries.Client {
-		tokens := strings.Split(ProcessMavenPath(lib.Name), string(os.PathSeparator))
+		tokens := strings.Split(ProcessMavenPath(lib.Name), "/")
 		pkg := tokens[len(tokens)-2]
 		instanceObject.Libraries = append(instanceObject.Libraries, filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name)))
 		for ind, path := range instanceObject.Libraries {
-			tokens := strings.Split(path, string(os.PathSeparator))
+			tokens := strings.Split(path, "/")
 			if pkg == tokens[len(tokens)-3] {
 				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
 				fmt.Printf("duplicate library %s\n", pkg)
@@ -408,11 +408,11 @@ client:
 	}
 common:
 	for _, lib := range metadata.LauncherMeta.Libraries.Common {
-		tokens := strings.Split(ProcessMavenPath(lib.Name), string(os.PathSeparator))
+		tokens := strings.Split(ProcessMavenPath(lib.Name), "/")
 		pkg := tokens[len(tokens)-2]
 		instanceObject.Libraries = append(instanceObject.Libraries, filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name)))
 		for ind, path := range instanceObject.Libraries {
-			tokens := strings.Split(path, string(os.PathSeparator))
+			tokens := strings.Split(path, "/")
 			if pkg == tokens[len(tokens)-3] {
 				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
 				fmt.Printf("duplicate library %s\n", pkg)
@@ -456,11 +456,11 @@ func (i *InstanceManager) InstallForge(instance string, forgeVersion string) {
 	instanceObject.ForgeVersion = forgeVersion
 outer:
 	for _, lib := range installData.Libraries {
-		tokens := strings.Split(lib.Downloads.Artifact.Path, string(os.PathSeparator))
+		tokens := strings.Split(lib.Downloads.Artifact.Path, "/")
 		pkg := tokens[len(tokens)-2]
 		instanceObject.Libraries = append(instanceObject.Libraries, lib.Downloads.Artifact.Path)
 		for ind, path := range instanceObject.Libraries {
-			tokens := strings.Split(path, string(os.PathSeparator))
+			tokens := strings.Split(path, "/")
 			if pkg == tokens[len(tokens)-3] {
 				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
 				fmt.Printf("duplicate library %s\n", pkg)
diff --git a/fclauncher/fabric.go b/fclauncher/fabric.go
index 668b940..24af8f8 100644
--- a/fclauncher/fabric.go
+++ b/fclauncher/fabric.go
@@ -133,6 +133,7 @@ func ProcessMavenPath(maven string) string {
 	pack := tokens[1]
 	version := tokens[2]
 	path = filepath.Join(path, pack, version)
+	path = strings.ReplaceAll(path, "\\", "/")
 	return path
 }