diff --git a/fclauncher/InstanceManager.go b/fclauncher/InstanceManager.go
index 0ddf7ee..da2b5a9 100644
--- a/fclauncher/InstanceManager.go
+++ b/fclauncher/InstanceManager.go
@@ -337,11 +337,11 @@ client:
 	for _, lib := range metadata.LauncherMeta.Libraries.Client {
 		tokens := strings.Split(ProcessMavenPath(lib.Name), "/")
 		pkg := tokens[len(tokens)-2]
-		instanceObject.Libraries = append(instanceObject.Libraries, filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name)))
+		instanceObject.Libraries = append(instanceObject.Libraries, ProcessMavenPath(lib.Name)+"/"+ProcessMavenFilename(lib.Name))
 		for ind, path := range instanceObject.Libraries {
 			tokens := strings.Split(path, "/")
 			if pkg == tokens[len(tokens)-3] {
-				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
+				instanceObject.Libraries[ind] = ProcessMavenPath(lib.Name) + "/" + ProcessMavenFilename(lib.Name)
 				fmt.Printf("duplicate library %s\n", pkg)
 				continue client
 			}
@@ -351,12 +351,12 @@ common:
 	for _, lib := range metadata.LauncherMeta.Libraries.Common {
 		tokens := strings.Split(ProcessMavenPath(lib.Name), "/")
 		pkg := tokens[len(tokens)-2]
-		instanceObject.Libraries = append(instanceObject.Libraries, filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name)))
+		instanceObject.Libraries = append(instanceObject.Libraries, ProcessMavenPath(lib.Name)+"/"+ProcessMavenFilename(lib.Name))
 		for ind, path := range instanceObject.Libraries {
 			tokens := strings.Split(path, "/")
 			fmt.Printf("Inspecing path %s with %d tokens", path, len(tokens))
 			if pkg == tokens[len(tokens)-3] {
-				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
+				instanceObject.Libraries[ind] = ProcessMavenPath(lib.Name) + "/" + ProcessMavenFilename(lib.Name)
 				fmt.Printf("duplicate library %s\n", pkg)
 				continue common
 			}
@@ -396,11 +396,11 @@ client:
 	for _, lib := range metadata.LauncherMeta.Libraries.Client {
 		tokens := strings.Split(ProcessMavenPath(lib.Name), "/")
 		pkg := tokens[len(tokens)-2]
-		instanceObject.Libraries = append(instanceObject.Libraries, filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name)))
+		instanceObject.Libraries = append(instanceObject.Libraries, ProcessMavenPath(lib.Name)+"/"+ProcessMavenFilename(lib.Name))
 		for ind, path := range instanceObject.Libraries {
 			tokens := strings.Split(path, "/")
 			if pkg == tokens[len(tokens)-3] {
-				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
+				instanceObject.Libraries[ind] = ProcessMavenPath(lib.Name) + "/" + ProcessMavenFilename(lib.Name)
 				fmt.Printf("duplicate library %s\n", pkg)
 				continue client
 			}
@@ -410,11 +410,11 @@ common:
 	for _, lib := range metadata.LauncherMeta.Libraries.Common {
 		tokens := strings.Split(ProcessMavenPath(lib.Name), "/")
 		pkg := tokens[len(tokens)-2]
-		instanceObject.Libraries = append(instanceObject.Libraries, filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name)))
+		instanceObject.Libraries = append(instanceObject.Libraries, ProcessMavenPath(lib.Name)+"/"+ProcessMavenFilename(lib.Name))
 		for ind, path := range instanceObject.Libraries {
 			tokens := strings.Split(path, "/")
 			if pkg == tokens[len(tokens)-3] {
-				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
+				instanceObject.Libraries[ind] = ProcessMavenPath(lib.Name) + "/" + ProcessMavenFilename(lib.Name)
 				fmt.Printf("duplicate library %s\n", pkg)
 				continue common
 			}
@@ -462,7 +462,7 @@ outer:
 		for ind, path := range instanceObject.Libraries {
 			tokens := strings.Split(path, "/")
 			if pkg == tokens[len(tokens)-3] {
-				instanceObject.Libraries[ind] = filepath.Join(ProcessMavenPath(lib.Name), ProcessMavenFilename(lib.Name))
+				instanceObject.Libraries[ind] = ProcessMavenPath(lib.Name) + "/" + ProcessMavenFilename(lib.Name)
 				fmt.Printf("duplicate library %s\n", pkg)
 				continue outer
 			}