diff --git a/aos/linux_code/configuration.cc b/aos/linux_code/configuration.cc
index 55e5263..a8cc4ae 100644
--- a/aos/linux_code/configuration.cc
+++ b/aos/linux_code/configuration.cc
@@ -26,12 +26,15 @@
     static const char *kOverrideVariable = "FRC971_IP_OVERRIDE";
     const char *override_ip = getenv(kOverrideVariable);
     if (override_ip != NULL) {
+        LOG(INFO, "Override IP is %s\n", override_ip);
         static in_addr r;
         if (inet_aton(override_ip, &r) != 0) {
             return &r;
         } else {
             LOG(WARNING, "error parsing %s value '%s'\n", kOverrideVariable, override_ip);
         }
+    } else {
+        LOG(INFO, "Couldn't get environmental variable.\n");
     }
 
   ifaddrs *addrs;