1 files changed, 2 insertions, 2 deletions
diff --git a/gr-zeromq/lib/pub_msg_sink_impl.h b/gr-zeromq/lib/pub_msg_sink_impl.h
index c421361e18..0cedfed482 100644
--- a/gr-zeromq/lib/pub_msg_sink_impl.h
+++ b/gr-zeromq/lib/pub_msg_sink_impl.h
@@ -42,8 +42,8 @@ namespace gr {
 
       void handler(pmt::pmt_t msg);
       std::string last_endpoint() override {
-        size_t addr_len = 256;
-        char addr[addr_len];
+        char addr[256];
+        size_t addr_len = sizeof(addr);
         d_socket->getsockopt(ZMQ_LAST_ENDPOINT, addr, &addr_len);
         return std::string(addr, addr_len-1);
       }