diff --git a/src/bts.cpp b/src/bts.cpp
index df58494..a9ff553 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -750,6 +750,9 @@
 	/* Determine full frame number */
 	Fn = rfn_to_fn(Fn);
 
+	send_gsmtap(PCU_GSMTAP_C_UL_RACH, true, 0, ts_no, GSMTAP_CHANNEL_RACH,
+		    Fn, (uint8_t*)&ra, is_11bit ? 2 : 1);
+
 	LOGP(DRLCMAC, LOGL_DEBUG, "MS requests UL TBF on RACH, "
 		"so we provide one: ra=0x%02x Fn=%u qta=%d is_11bit=%d:\n",
 		ra, Fn, qta, is_11bit);