diff --git a/quirks/30-vendor-nulea.quirks b/quirks/30-vendor-nulea.quirks
index c95390ec..7a33c4df 100644
--- a/quirks/30-vendor-nulea.quirks
+++ b/quirks/30-vendor-nulea.quirks
@@ -1,11 +1,8 @@
 # Nulea M501 does not name itself as a "Trackball"
-[Nulea Wireless Trackball]
-MatchBus=usb
-MatchVendor=0x25A7
-MatchProduct=0xFA61
-ModelTrackball=1
+# In USB mode, it shares a generic dongle and name with other non-trackball
+# mice. As such, trackball quirks are enabled only for bluetooth modes.
 
-[Nulea Bluetooth Trackball]
+[Nulea M501 Bluetooth Trackball]
 MatchBus=bluetooth
 MatchVendor=0x000E
 MatchProduct=0x3412