diff --git a/subsys/ipc/ipc_service/backends/ipc_icbmsg.c b/subsys/ipc/ipc_service/backends/ipc_icbmsg.c
index 135d2c8aca9..70c4c4c362f 100644
--- a/subsys/ipc/ipc_service/backends/ipc_icbmsg.c
+++ b/subsys/ipc/ipc_service/backends/ipc_icbmsg.c
@@ -1090,7 +1090,11 @@ static int register_ept(const struct device *instance, void **token,
 			if (!matching_state) {
 				return -EINVAL;
 			}
+#ifdef CONFIG_MULTITHREADING
 			schedule_ept_bound_process(dev_data);
+#else
+			ept_bound_process(dev_data);
+#endif
 			return 0;
 		}
 	}