diff --git a/src/octoprint/util/pip.py b/src/octoprint/util/pip.py
index 1303caf9..7a132425 100644
--- a/src/octoprint/util/pip.py
+++ b/src/octoprint/util/pip.py
@@ -122,7 +122,7 @@ class PipCaller(CommandlineCaller):
 			if self.use_user:
 				arg_list.append("--user")
 
-		command = [self._command] + list(args)
+		command = [self._command] + list(arg_list)
 		if self._use_sudo:
 			command = ["sudo"] + command
 		return self.call(command)