diff --git a/libfwupdplugin/fu-quirks.c b/libfwupdplugin/fu-quirks.c
index 41475af3e..2a73001cf 100644
--- a/libfwupdplugin/fu-quirks.c
+++ b/libfwupdplugin/fu-quirks.c
@@ -591,6 +591,7 @@ fu_quirks_init(FuQuirks *self)
 	fu_quirks_add_possible_key(self, "CfiDeviceCmdReadIdSz");
 	fu_quirks_add_possible_key(self, "CfiDeviceCmdChipErase");
 	fu_quirks_add_possible_key(self, "CfiDeviceCmdSectorErase");
+	fu_quirks_add_possible_key(self, "CfiDeviceBlockSize");
 	fu_quirks_add_possible_key(self, "CfiDevicePageSize");
 	fu_quirks_add_possible_key(self, "CfiDeviceSectorSize");
 }