diff --git a/android/src/main/java/com/reactnativecommunity/netinfo/ConnectivityReceiver.java b/android/src/main/java/com/reactnativecommunity/netinfo/ConnectivityReceiver.java
index a7b5e14b..0bb7009e 100644
--- a/android/src/main/java/com/reactnativecommunity/netinfo/ConnectivityReceiver.java
+++ b/android/src/main/java/com/reactnativecommunity/netinfo/ConnectivityReceiver.java
@@ -91,6 +91,10 @@ public void setNoNetworkPermission() {
   }
 
   String getEffectiveConnectionType(NetworkInfo networkInfo) {
+    if (networkInfo == null) {
+      return EFFECTIVE_CONNECTION_TYPE_UNKNOWN;
+    }
+
     switch (networkInfo.getSubtype()) {
       case TelephonyManager.NETWORK_TYPE_1xRTT:
       case TelephonyManager.NETWORK_TYPE_CDMA: