diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index 6a63a6e474f7..242b8ad4e33c 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -343,7 +343,7 @@ enum {
 #else
 /* This will evaluate the argument even if debugging is disabled. */
 static inline bool __b43legacy_warn_on_dummy(bool x) { return x; }
-# define B43_WARN_ON(x)	__b43legacy_warn_on_dummy(unlikely(!!(x)))
+# define B43legacy_WARN_ON(x)	__b43legacy_warn_on_dummy(unlikely(!!(x)))
 # define B43legacy_BUG_ON(x)	do { /* nothing */ } while (0)
 # define B43legacy_DEBUG	0
 #endif