diff --git a/openair1/SIMULATION/NR_PHY/dlsim.c b/openair1/SIMULATION/NR_PHY/dlsim.c
index b806e51d84..d86098158d 100644
--- a/openair1/SIMULATION/NR_PHY/dlsim.c
+++ b/openair1/SIMULATION/NR_PHY/dlsim.c
@@ -140,6 +140,12 @@ int generate_dlsch_header(unsigned char *mac_header,
                           unsigned char short_padding,
                           unsigned short post_padding){return 0;}
 
+// Dummy function to avoid linking error at compilation of nr-dlsim
+int is_x2ap_enabled(void)
+{
+  return 0;
+}
+
 // needed for some functions
 openair0_config_t openair0_cfg[MAX_CARDS];
 
diff --git a/openair1/SIMULATION/NR_PHY/prachsim.c b/openair1/SIMULATION/NR_PHY/prachsim.c
index 248aa3ec03..c5ad4467af 100644
--- a/openair1/SIMULATION/NR_PHY/prachsim.c
+++ b/openair1/SIMULATION/NR_PHY/prachsim.c
@@ -101,6 +101,12 @@ rrc_gNB_process_GTPV1U_CREATE_TUNNEL_RESP(
 
 int8_t nr_mac_rrc_data_ind_ue(const module_id_t module_id, const int CC_id, const uint8_t gNB_index, const int8_t channel, const uint8_t* pduP, const sdu_size_t pdu_len) {return 0;}
 
+// Dummy function to avoid linking error at compilation of nr-prachsim
+int is_x2ap_enabled(void)
+{
+  return 0;
+}
+
 int main(int argc, char **argv){
 
   char c;
diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index 1db76cb3d4..6c14b13f85 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -120,6 +120,12 @@ rrc_gNB_process_GTPV1U_CREATE_TUNNEL_RESP(
   return 0;
 }
 
+// Dummy function to avoid linking error at compilation of nr-ulsim
+int is_x2ap_enabled(void)
+{
+  return 0;
+}
+
 // needed for some functions
 uint16_t n_rnti = 0x1234;
 openair0_config_t openair0_cfg[MAX_CARDS];
diff --git a/openair2/RRC/NR/rrc_gNB.c b/openair2/RRC/NR/rrc_gNB.c
index 4b9c66ee47..a2c4b70e49 100644
--- a/openair2/RRC/NR/rrc_gNB.c
+++ b/openair2/RRC/NR/rrc_gNB.c
@@ -319,10 +319,10 @@ void nr_rrc_subframe_process(protocol_ctxt_t *const ctxt_pP, const int CC_id) {
   MessageDef *msg;
 
   /* send a tick to x2ap */
- if (is_x2ap_enabled()) {
-  msg = itti_alloc_new_message(TASK_RRC_ENB, X2AP_SUBFRAME_PROCESS);
-  itti_send_msg_to_task(TASK_X2AP, ctxt_pP->module_id, msg);
- }
+  if (is_x2ap_enabled()){
+    msg = itti_alloc_new_message(TASK_RRC_ENB, X2AP_SUBFRAME_PROCESS);
+    itti_send_msg_to_task(TASK_X2AP, ctxt_pP->module_id, msg);
+  }
 }
 
 ///---------------------------------------------------------------------------------------------------------------///