diff --git a/sys/geom/geom.h b/sys/geom/geom.h
index a5f35f1b50a5..493221b9784e 100644
--- a/sys/geom/geom.h
+++ b/sys/geom/geom.h
@@ -300,6 +300,7 @@ uint32_t g_dec_be4(u_char *p);
 uint16_t g_dec_le2(u_char *p);
 uint32_t g_dec_le4(u_char *p);
 uint64_t g_dec_le8(u_char *p);
+void g_enc_le2(u_char *p, uint16_t u);
 void g_enc_le4(u_char *p, uint32_t u);
 void g_enc_le8(u_char *p, uint64_t u);
 
diff --git a/sys/geom/geom_enc.c b/sys/geom/geom_enc.c
index 10d577e018d2..fb87e777c89d 100644
--- a/sys/geom/geom_enc.c
+++ b/sys/geom/geom_enc.c
@@ -82,6 +82,14 @@ g_dec_le2(u_char *p)
 	return((p[1] << 8) | p[0]);
 }
 
+void
+g_enc_le2(u_char *p, uint16_t u)
+{
+
+	p[0] = u & 0xff;
+	p[1] = (u >> 8) & 0xff;
+}
+
 uint32_t
 g_dec_le4(u_char *p)
 {