diff --git a/lib/libc/net/recv.c b/lib/libc/net/recv.c
index f71d4780bb7c0..6a584cadbff6e 100644
--- a/lib/libc/net/recv.c
+++ b/lib/libc/net/recv.c
@@ -35,6 +35,7 @@ __FBSDID("$FreeBSD$");
 
 #include <sys/types.h>
 #include <sys/socket.h>
+#include "libc_private.h"
 
 #include <stddef.h>
 
@@ -48,5 +49,8 @@ recv(s, buf, len, flags)
 	 * POSIX says recv() shall be a cancellation point, so call the
 	 * cancellation-enabled recvfrom() and not _recvfrom().
 	 */
-	return (recvfrom(s, buf, len, flags, NULL, 0));
+	return (((ssize_t (*)(int, void *, size_t, int,
+	    struct sockaddr *, socklen_t *))
+	    __libc_interposing[INTERPOS_recvfrom])(s, buf, len, flags,
+	   NULL, NULL));
 }
diff --git a/lib/libc/net/send.c b/lib/libc/net/send.c
index 93cdfda175326..c44f4b922a81e 100644
--- a/lib/libc/net/send.c
+++ b/lib/libc/net/send.c
@@ -35,6 +35,7 @@ __FBSDID("$FreeBSD$");
 
 #include <sys/types.h>
 #include <sys/socket.h>
+#include "libc_private.h"
 
 #include <stddef.h>
 
@@ -48,5 +49,8 @@ send(s, msg, len, flags)
 	 * POSIX says send() shall be a cancellation point, so call the
 	 * cancellation-enabled sendto() and not _sendto().
 	 */
-	return (sendto(s, msg, len, flags, NULL, 0));
+	return (((ssize_t (*)(int, const void *, size_t, int,
+	    const struct sockaddr *, socklen_t))
+	    __libc_interposing[INTERPOS_sendto])(s, msg, len, flags,
+	    NULL, 0));
 }