diff --git a/srsenb/src/mac/mac.cc b/srsenb/src/mac/mac.cc
index 8bf88a662..d45330863 100644
--- a/srsenb/src/mac/mac.cc
+++ b/srsenb/src/mac/mac.cc
@@ -384,7 +384,7 @@ int mac::rach_detected(uint32_t tti, uint32_t preamble_idx, uint32_t time_adv)
   }
   // Save RA info
   pending_rars[ra_id].preamble_idx = preamble_idx; 
-  pending_rars[ra_id].ta_cmd       = time_adv; 
+  pending_rars[ra_id].ta_cmd       = 2*time_adv;
   pending_rars[ra_id].temp_crnti   = last_rnti;   
   
   // Add new user to the scheduler so that it can RX/TX SRB0