diff --git a/android/src/main/java/com/tadasr/IOTWifi/IOTWifiModule.java b/android/src/main/java/com/tadasr/IOTWifi/IOTWifiModule.java
index ee1ec42..fd8cc41 100644
--- a/android/src/main/java/com/tadasr/IOTWifi/IOTWifiModule.java
+++ b/android/src/main/java/com/tadasr/IOTWifi/IOTWifiModule.java
@@ -131,7 +131,7 @@ public void getSSID(Callback callback) {
             }
         }
 
-        if (ssid.startsWith("\"") && ssid.endsWith("\"")) {
+        if (ssid != null && ssid.startsWith("\"") && ssid.endsWith("\"")) {
             ssid = ssid.substring(1, ssid.length() - 1);
         }