diff --git a/ipneigh30/src/main/cpp/ip_neigh.c b/ipneigh30/src/main/cpp/ip_neigh.c
index bdd477a..dafaa40 100644
--- a/ipneigh30/src/main/cpp/ip_neigh.c
+++ b/ipneigh30/src/main/cpp/ip_neigh.c
@@ -136,6 +136,7 @@ int JNICALL Java_it_alessangiorgi_ipneigh30_ArpNDK_ARPFromJNI(JNIEnv *env, jclas
 
     if(do_route_dump_request(s) < 0){
         __android_log_write(ANDROID_LOG_ERROR, LOGTAG,  "socket send failed");
+        return -1;
     }else
         __android_log_write(ANDROID_LOG_ERROR, LOGTAG,  "socket send success");
 
diff --git a/ipneigh30/src/main/java/it/alessangiorgi/ipneigh30/ArpNDK.java b/ipneigh30/src/main/java/it/alessangiorgi/ipneigh30/ArpNDK.java
index 5eb2036..defbc5d 100644
--- a/ipneigh30/src/main/java/it/alessangiorgi/ipneigh30/ArpNDK.java
+++ b/ipneigh30/src/main/java/it/alessangiorgi/ipneigh30/ArpNDK.java
@@ -12,7 +12,7 @@
 public class ArpNDK {
 
     private static final String TAG = "ArpNDK";
-    private static final String ARPNDK_FAILED = "Arp failed";
+    private static final String ARPNDK_FAILED = "Arp table reading failed, are you using targetSdk 32 and an Android 13 device?";
 
     static {
         System.loadLibrary("ipneigh-android");