diff --git a/src/CMQMaster.h b/src/CMQMaster.h
index e47914d..bd38833 100644
--- a/src/CMQMaster.h
+++ b/src/CMQMaster.h
@@ -24,10 +24,10 @@ class CMQMaster {
                 return sock.get(zmq::sockopt::last_endpoint);
             } catch(zmq::error_t const &e) {
                 if (errno != EADDRINUSE)
-                    Rf_error(e.what());
+                    Rcpp::stop(e.what());
             }
         }
-        Rf_error("Could not bind port to any address in provided pool");
+        Rcpp::stop("Could not bind port to any address in provided pool");
     }
 
     void close(int timeout=0) {
@@ -45,7 +45,7 @@ class CMQMaster {
 
     SEXP recv(int timeout=-1) {
         if (peers.size() + pending_workers <= 0)
-            Rf_error("Trying to receive data without workers");
+            Rcpp::stop("Trying to receive data without workers");
 
         int data_offset;
         std::vector<zmq::message_t> msgs;
@@ -215,7 +215,7 @@ class CMQMaster {
                 rc = zmq::poll(pitems, time_left);
             } catch (zmq::error_t const &e) {
                 if (errno != EINTR || pending_interrupt())
-                    Rf_error(e.what());
+                    Rcpp::stop(e.what());
             }
 
             if (timeout != -1) {
@@ -252,7 +252,7 @@ class CMQMaster {
             w.via = msgs[0].to_string();
 
         if (msgs[++cur_i].size() != 0)
-            Rf_error("No frame delimiter found at expected position");
+            Rcpp::stop("No frame delimiter found at expected position");
 
         // handle status frame if present, else it's a disconnect notification
         if (msgs.size() > ++cur_i)
@@ -265,14 +265,14 @@ class CMQMaster {
                         if (it->second.status == wlife_t::shutdown)
                             it = peers.erase(it);
                         else
-                            Rf_error("Proxy disconnect with active worker(s)");
+                            Rcpp::stop("Proxy disconnect with active worker(s)");
                     }
                 }
                 peers.erase(cur);
             } else if (w.status == wlife_t::shutdown)
                 peers.erase(cur);
             else
-                Rf_error("Unexpected worker disconnect");
+                Rcpp::stop("Unexpected worker disconnect");
         }
 
         w.time = msg2r(msgs[++cur_i], true);
diff --git a/src/CMQProxy.h b/src/CMQProxy.h
index 10c2ba3..ab75b35 100644
--- a/src/CMQProxy.h
+++ b/src/CMQProxy.h
@@ -36,7 +36,7 @@ class CMQProxy {
         to_master.set(zmq::sockopt::routing_id, "proxy");
 
         if (zmq_socket_monitor(to_master, "inproc://monitor", ZMQ_EVENT_DISCONNECTED) < 0)
-            Rf_error("failed to create socket monitor");
+            Rcpp::stop("failed to create socket monitor");
         mon = zmq::socket_t(*ctx, ZMQ_PAIR);
         mon.connect("inproc://monitor");
 
@@ -69,10 +69,10 @@ class CMQProxy {
                 return to_worker.get(zmq::sockopt::last_endpoint);
             } catch(zmq::error_t const &e) {
                 if (errno != EADDRINUSE)
-                    Rf_error(e.what());
+                    Rcpp::stop(e.what());
             }
         }
-        Rf_error("Could not bind port to any address in provided pool");
+        Rcpp::stop("Could not bind port to any address in provided pool");
     }
 
     bool process_one() {
@@ -91,7 +91,7 @@ class CMQProxy {
                 rc = zmq::poll(pitems, time_left);
             } catch (zmq::error_t const &e) {
                 if (errno != EINTR || pending_interrupt())
-                    Rf_error(e.what());
+                    Rcpp::stop(e.what());
             }
         } while (rc == 0);
 
diff --git a/src/CMQWorker.h b/src/CMQWorker.h
index b150860..9c5690e 100644
--- a/src/CMQWorker.h
+++ b/src/CMQWorker.h
@@ -17,7 +17,7 @@ class CMQWorker {
 
         if (mon.handle() == nullptr) {
             if (zmq_socket_monitor(sock, "inproc://monitor", ZMQ_EVENT_DISCONNECTED) < 0)
-                Rf_error("failed to create socket monitor");
+                Rcpp::stop("failed to create socket monitor");
             mon = zmq::socket_t(*ctx, ZMQ_PAIR);
             mon.connect("inproc://monitor");
         }
@@ -30,7 +30,7 @@ class CMQWorker {
             sock.send(r2msg(gc()), zmq::send_flags::sndmore);
             sock.send(r2msg(R_NilValue), zmq::send_flags::none);
         } catch (zmq::error_t const &e) {
-            Rf_error(e.what());
+            Rcpp::stop(e.what());
         }
     }
 
@@ -63,10 +63,10 @@ class CMQWorker {
                 zmq::poll(pitems);
             } catch (zmq::error_t const &e) {
                 if (errno != EINTR || pending_interrupt())
-                    Rf_error(e.what());
+                    Rcpp::stop(e.what());
             }
             if (pitems[1].revents > 0)
-                Rf_error("Unexpected peer disconnect");
+                Rcpp::stop("Unexpected peer disconnect");
             total_sock_ev = pitems[0].revents;
         } while (total_sock_ev == 0);
     }
@@ -125,7 +125,7 @@ class CMQWorker {
                 zmq::poll(pitems, time_left);
             } catch (zmq::error_t const &e) {
                 if (errno != EINTR || pending_interrupt())
-                    Rf_error(e.what());
+                    Rcpp::stop(e.what());
             }
 
             auto ms_diff = std::chrono::duration_cast<ms>(Time::now() - start);