diff --git a/sys/dev/sfxge/common/efx_types.h b/sys/dev/sfxge/common/efx_types.h
index f112a4c17a26..ae4c6d97ae9e 100644
--- a/sys/dev/sfxge/common/efx_types.h
+++ b/sys/dev/sfxge/common/efx_types.h
@@ -536,7 +536,7 @@ extern int fix_lint;
 	    (_oword).eo_u32[3]) == ~((uint32_t)0))
 
 #define	EFX_QWORD_IS_SET64(_qword)					\
-	(((_qword).eq_u64[0]) == ~((uint32_t)0))
+	(((_qword).eq_u64[0]) == ~((uint64_t)0))
 
 #define	EFX_QWORD_IS_SET32(_qword)					\
 	(((_qword).eq_u32[0] &						\