diff --git a/netwerk/sctp/datachannel/DataChannel.cpp b/netwerk/sctp/datachannel/DataChannel.cpp
index 1aa4ae625d5..b1ffc11e153 100644
--- a/netwerk/sctp/datachannel/DataChannel.cpp
+++ b/netwerk/sctp/datachannel/DataChannel.cpp
@@ -680,12 +680,12 @@ DataChannelConnection::SctpDtlsInput(TransportFlow *flow,
 }
 
 int
-DataChannelConnection::SendPacket(const unsigned char *data, size_t len, bool release)
+DataChannelConnection::SendPacket(unsigned char data[], size_t len, bool release)
 {
   //LOG(("%p: SCTP/DTLS sent %ld bytes", this, len));
   int res = mTransportFlow->SendPacket(data, len) < 0 ? 1 : 0;
   if (release)
-    delete data;
+    delete [] data;
   return res;
 }
 
diff --git a/netwerk/sctp/datachannel/DataChannel.h b/netwerk/sctp/datachannel/DataChannel.h
index bec2fc7fa91..6b6e3c96722 100644
--- a/netwerk/sctp/datachannel/DataChannel.h
+++ b/netwerk/sctp/datachannel/DataChannel.h
@@ -200,7 +200,7 @@ private:
 
 #ifdef SCTP_DTLS_SUPPORTED
   static void DTLSConnectThread(void *data);
-  int SendPacket(const unsigned char* data, size_t len, bool release);
+  int SendPacket(unsigned char data[], size_t len, bool release);
   void SctpDtlsInput(TransportFlow *flow, const unsigned char *data, size_t len);
   static int SctpDtlsOutput(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df);
 #endif