diff --git a/sys/dev/random/fenestrasX/fx_pool.c b/sys/dev/random/fenestrasX/fx_pool.c
--- a/sys/dev/random/fenestrasX/fx_pool.c
+++ b/sys/dev/random/fenestrasX/fx_pool.c
@@ -179,6 +179,9 @@
 	[RANDOM_PURE_RDRAND] = {
 		.entc_cls = &fxrng_hi_pull,
 	},
+	[RANDOM_PURE_RDSEED] = {
+		.entc_cls = &fxrng_hi_pull,
+	},
 	[RANDOM_PURE_NEHEMIAH] = {
 		.entc_cls = &fxrng_hi_pull,
 	},