diff --git a/nmap_dns.cc b/nmap_dns.cc
index bd1abecff..ab636454b 100644
--- a/nmap_dns.cc
+++ b/nmap_dns.cc
@@ -1823,8 +1823,10 @@ size_t DNS::Packet::parseFromBuffer(const u8 *buf, size_t maxlen)
   return ret;
 }
 
-const char *DNS::Request::repr()
+const char *DNS::Request::repr() const
 {
+#define REPR_BUFSIZE (FQDN_LEN + 16)
+  static char buf[REPR_BUFSIZE] = "\0";
   switch(type) {
     case DNS::NONE:
       return "Uninitialized request";
@@ -1832,7 +1834,7 @@ const char *DNS::Request::repr()
     case DNS::A:
     case DNS::AAAA:
     case DNS::ANY:
-      return name.c_str();
+      Snprintf(buf, REPR_BUFSIZE, "%s/%d", name.c_str(), type);
       break;
     case DNS::PTR:
       if (ssv.size() > 0) {
@@ -1843,7 +1845,8 @@ const char *DNS::Request::repr()
       }
       break;
     default:
-      return "Invalid request";
+      Snprintf(buf, REPR_BUFSIZE, "Invalid request: %d", type);
       break;
   }
+  return buf;
 }
diff --git a/nmap_dns.h b/nmap_dns.h
index 1933927f6..495668875 100644
--- a/nmap_dns.h
+++ b/nmap_dns.h
@@ -256,7 +256,7 @@ struct Request
   std::string name;
   void *userdata;
   Request() : type(NONE), ssv(), name(), userdata(NULL) {}
-  const char *repr(); // string representation
+  const char *repr() const; // string representation
 };
 }