diff --git a/arch/cpu/cc2538/dev/cc2538-rf.c b/arch/cpu/cc2538/dev/cc2538-rf.c
index 27b6c3061..39aa1f5ed 100644
--- a/arch/cpu/cc2538/dev/cc2538-rf.c
+++ b/arch/cpu/cc2538/dev/cc2538-rf.c
@@ -321,6 +321,16 @@ set_frame_filtering(uint8_t enable)
 }
 /*---------------------------------------------------------------------------*/
 static void
+set_shr_search(int enable)
+{
+  if(enable) {
+    REG(RFCORE_XREG_FRMCTRL0) &= ~RFCORE_XREG_FRMCTRL0_RX_MODE;
+  } else {
+    REG(RFCORE_XREG_FRMCTRL0) |= RFCORE_XREG_FRMCTRL0_RX_MODE;
+  }
+}
+/*---------------------------------------------------------------------------*/
+static void
 mac_timer_init(void)
 {
   CLOCK_STABLE();
@@ -513,6 +523,9 @@ init(void)
 
   set_channel(rf_channel);
 
+  /* Enable SHR search */
+  set_shr_search(1);
+
   /* Acknowledge all RF Error interrupts */
   REG(RFCORE_XREG_RFERRM) = RFCORE_XREG_RFERRM_RFERRM;
   NVIC_EnableIRQ(RF_ERR_IRQn);
@@ -922,6 +935,9 @@ set_value(radio_param_t param, radio_value_t value)
   case RADIO_PARAM_CCA_THRESHOLD:
     set_cca_threshold(value);
     return RADIO_RESULT_OK;
+  case RADIO_PARAM_SHR_SEARCH:
+    set_shr_search(value);
+    return RADIO_RESULT_OK;
   default:
     return RADIO_RESULT_NOT_SUPPORTED;
   }