diff --git a/src/poller.hpp b/src/poller.hpp
index 192fc502..9cfbce33 100644
--- a/src/poller.hpp
+++ b/src/poller.hpp
@@ -7,7 +7,7 @@
     + defined ZMQ_IOTHREAD_POLLER_USE_EPOLL                                    \
     + defined ZMQ_IOTHREAD_POLLER_USE_DEVPOLL                                  \
     + defined ZMQ_IOTHREAD_POLLER_USE_POLLSET                                  \
-    + defined ZMQ_IOTHREAD_POLLER_POLL                                         \
+    + defined ZMQ_IOTHREAD_POLLER_USE_POLL                                     \
     + defined ZMQ_IOTHREAD_POLLER_USE_SELECT                                   \
   > 1
 #error More than one of the ZMQ_IOTHREAD_POLLER_USE_* macros defined