diff --git a/build/commands.py b/build/commands.py
index 399e7c2e..229b888d 100644
--- a/build/commands.py
+++ b/build/commands.py
@@ -642,9 +642,9 @@ class CommandHandler:
 	def get_build_mode(self):
 		mode = None
 		for o, a in self.opts:
-			if o == ('-d', '--debug'):
+			if o in ('-d', '--debug'):
 				mode = 'debug'
-			elif o == ('-r', '--release'):
+			elif o in ('-r', '--release'):
 				mode = 'release'
 		return mode