diff --git a/RFM69.h b/RFM69.h
index 76a3f48..b163d47 100644
--- a/RFM69.h
+++ b/RFM69.h
@@ -55,7 +55,7 @@ class RFM69 {
     void setAddress(byte addr);
     bool canSend();
     void send(byte toAddress, const void* buffer, byte bufferSize, bool requestACK=false);
-    bool sendWithRetry(byte toAddress, const void* buffer, byte bufferSize, byte retries=2, byte retryWaitTime=15);
+    bool sendWithRetry(byte toAddress, const void* buffer, byte bufferSize, byte retries=2, byte retryWaitTime=30);
     bool receiveDone();
     bool ACKReceived(byte fromNodeID);
     void sendACK(const void* buffer = "", uint8_t bufferSize=0);