diff --git a/sw/tools/install.py b/sw/tools/install.py
index 20334208aa2..cf8f99bf542 100755
--- a/sw/tools/install.py
+++ b/sw/tools/install.py
@@ -162,7 +162,7 @@ def __init__(self):
         button8 = QPushButton('8) Bebop Opencv')
         button8.clicked.connect(self.cmd_bebopcv)
         if float(release['RELEASE']) > 20.04:
-            button8.setDisables(True)
+            button8.setDisabled(True)
         btn_layout.addWidget(button8)
 
         button9 = QPushButton('9) VLC + Joystick + Natnet')