diff --git a/README.md b/README.md
index 331352c..b262d0d 100644
--- a/README.md
+++ b/README.md
@@ -70,86 +70,79 @@ const pcsc = pcsclite();
 
 pcsc.on('reader', (reader) => {
 
-    console.log('New reader detected', reader.name);
+  console.log('New reader detected', reader.name);
 
-    reader.on('error', err => {
-        console.log('Error(', reader.name, '):', err.message);
-    });
+  reader.on('error', err => {
+    console.log('Error(', reader.name, '):', err.message);
+  });
 
-    reader.on('status', (status) => {
+  reader.on('status', (status) => {
 
-        console.log('Status(', reader.name, '):', status);
+    console.log('Status(', reader.name, '):', status);
 
-        // check what has changed
-        const changes = reader.state ^ status.state;
+    // check what has changed
+    const changes = reader.state ^ status.state;
 
-        if (!changes) {
-            return;
+    if (!changes) {
+      return;
+    }
+
+    if ((changes & reader.SCARD_STATE_EMPTY) && (status.state & reader.SCARD_STATE_EMPTY)) {
+
+      console.log("card removed");
+
+      reader.disconnect(reader.SCARD_LEAVE_CARD, err => {
+
+        if (err) {
+          console.log(err);
+          return;
         }
 
-		// noinspection JSBitwiseOperatorUsage
-        if ((changes & reader.SCARD_STATE_EMPTY) && (status.state & reader.SCARD_STATE_EMPTY)) {
+        console.log('Disconnected');
 
-            console.log("card removed");
+      });
 
-            reader.disconnect(reader.SCARD_LEAVE_CARD, err => {
+    } 
+    else if ((changes & reader.SCARD_STATE_PRESENT) && (status.state & reader.SCARD_STATE_PRESENT)) {
 
-                if (err) {
-                    console.log(err);
-                    return;
-                }
+      console.log("card inserted");
 
-                console.log('Disconnected');
-
-            });
-
-            return;
+      reader.connect({ share_mode: reader.SCARD_SHARE_SHARED }, (err, protocol) => {
 
+        if (err) {
+          console.log(err);
+          return;
         }
 
-		// noinspection JSBitwiseOperatorUsage
-        if ((changes & reader.SCARD_STATE_EMPTY) && (status.state & reader.SCARD_STATE_EMPTY)) {
+        console.log('Protocol(', reader.name, '):', protocol);
 
-            console.log("card inserted");
+        reader.transmit(Buffer.from([0x00, 0xB0, 0x00, 0x00, 0x20]), 40, protocol, (err, data) => {
 
-            reader.connect({ share_mode: reader.SCARD_SHARE_SHARED }, (err, protocol) => {
-
-                if (err) {
-                    console.log(err);
-                    return;
-                }
-
-                console.log('Protocol(', reader.name, '):', protocol);
-
-                reader.transmit(Buffer.from([0x00, 0xB0, 0x00, 0x00, 0x20]), 40, protocol, (err, data) => {
-
-                    if (err) {
-                        console.log(err);
-                        return;
-                    }
-
-                    console.log('Data received', data);
-                    reader.close();
-                    pcsc.close();
-
-                });
-
-            });
-
-            // noinspection UnnecessaryReturnStatementJS
+          if (err) {
+            console.log(err);
             return;
-        }
+          }
 
-    });
+          console.log('Data received', data);
+          reader.close();
+          pcsc.close();
 
-    reader.on('end', () => {
-        console.log('Reader', reader.name, 'removed');
-    });
+        });
+
+      });
+
+    }
+
+  });
+
+  reader.on('end', () => {
+    console.log('Reader', reader.name, 'removed');
+  });
 
 });
 
 pcsc.on('error', err => {
-    console.log('PCSC error', err.message);
+  console.log('PCSC error', err.message);
 });
 ```
 
diff --git a/examples/example.js b/examples/example.js
index e2130d8..75f2784 100755
--- a/examples/example.js
+++ b/examples/example.js
@@ -39,11 +39,8 @@ pcsc.on('reader', (reader) => {
 
 			});
 
-			return;
-
 		}
-
-		if ((changes & reader.SCARD_STATE_EMPTY) && (status.state & reader.SCARD_STATE_EMPTY)) {
+		else if ((changes & reader.SCARD_STATE_PRESENT) && (status.state & reader.SCARD_STATE_PRESENT)) {
 
 			console.log("card inserted");
 
@@ -71,8 +68,6 @@ pcsc.on('reader', (reader) => {
 
 			});
 
-			// noinspection UnnecessaryReturnStatementJS
-			return;
 		}
 
 	});