diff --git a/bindings/java/src/jni/generate.pl b/bindings/java/src/jni/generate.pl
index 9d5f3d6f..6dcb719c 100644
--- a/bindings/java/src/jni/generate.pl
+++ b/bindings/java/src/jni/generate.pl
@@ -1038,7 +1038,11 @@ EOF
     NetConnection => <<'EOF',
     public native String getTypeString();
 
-    public native String getStateString();
+    public native static String getStateString(int state);
+
+    public String getStateString() {
+        return getStateString(this.state);
+    }
 EOF
     Mem => <<'EOF',
     public String toString() {
diff --git a/bindings/java/src/jni/javasigar.c b/bindings/java/src/jni/javasigar.c
index 97da4b36..8b18d683 100644
--- a/bindings/java/src/jni/javasigar.c
+++ b/bindings/java/src/jni/javasigar.c
@@ -765,13 +765,10 @@ JNIEXPORT jstring SIGAR_JNI(NetConnection_getTypeString)
 }
 
 JNIEXPORT jstring SIGAR_JNI(NetConnection_getStateString)
-(JNIEnv *env, jobject obj)
+(JNIEnv *env, jobject cls, jint state)
 {
-    jclass cls = JENV->GetObjectClass(env, obj);
-    jfieldID field = JENV->GetFieldID(env, cls, "state", "I");
-    jint type = JENV->GetIntField(env, obj, field);
     return JENV->NewStringUTF(env,
-                              sigar_net_connection_state_get(type));
+                              sigar_net_connection_state_get(state));
 }
 
 JNIEXPORT jobjectArray SIGAR_JNI(Sigar_getWhoList)