diff --git a/executables/nr-uesoftmodem.h b/executables/nr-uesoftmodem.h
index e5f2eb6571..3ceb3e479e 100644
--- a/executables/nr-uesoftmodem.h
+++ b/executables/nr-uesoftmodem.h
@@ -5,6 +5,7 @@
 #include "common/utils/threadPool/thread-pool.h"
 #include "PHY/defs_nr_UE.h"
 
+#define MAX_NUM_NR_UE_INST 32
 extern int NB_UE_INST;
 extern uint16_t ue_id_g;