1 files changed, 4 insertions, 3 deletions
diff --git a/gnuradio-core/src/lib/general/gr_random_pdu.cc b/gnuradio-core/src/lib/general/gr_random_pdu.cc
index 9f692c72b..6d8c13614 100644
--- a/gnuradio-core/src/lib/general/gr_random_pdu.cc
+++ b/gnuradio-core/src/lib/general/gr_random_pdu.cc
@@ -34,6 +34,7 @@
 #include <stdexcept>
 #include <string.h>
 #include <iostream>
+#include <vector>
 
 // public constructor that returns a shared_ptr
 
@@ -68,13 +69,13 @@ void gr_random_pdu::output_random(){
     int len = rvar();
 
     // fill it with random bytes
-    unsigned char vec[len];
+    std::vector<unsigned char> vec;
     for(int i=0; i<len; i++){
-        vec[i] = (unsigned char) bvar();
+        vec.push_back((unsigned char) bvar());
         }
 
     // send the vector
-    pmt::pmt_t vecpmt( pmt::pmt_make_blob( vec, len ) );
+    pmt::pmt_t vecpmt( pmt::pmt_make_blob( &vec[0], len ) );
     pmt::pmt_t pdu( pmt::pmt_cons( pmt::PMT_NIL, vecpmt ) );
     message_port_pub( pmt::mp("pdus"), pdu );