diff --git a/sys/dev/random/probe.c b/sys/dev/random/probe.c
index 05b822324678..e5f15fe72667 100644
--- a/sys/dev/random/probe.c
+++ b/sys/dev/random/probe.c
@@ -29,6 +29,7 @@
 __FBSDID("$FreeBSD$");
 
 #include <sys/types.h>
+#include <sys/param.h>
 #include <sys/malloc.h>
 #include <sys/random.h>
 #include <sys/selinfo.h>
diff --git a/sys/opencrypto/deflate.c b/sys/opencrypto/deflate.c
index 92f8ab255866..49021d772c9d 100644
--- a/sys/opencrypto/deflate.c
+++ b/sys/opencrypto/deflate.c
@@ -36,6 +36,7 @@
 __FBSDID("$FreeBSD$");
 
 #include <sys/types.h>
+#include <sys/param.h>
 #include <sys/malloc.h>
 #include <sys/param.h>
 #include <sys/systm.h>