diff --git a/include/proto/fd.h b/include/proto/fd.h
index b072b3044..4b932357f 100644
--- a/include/proto/fd.h
+++ b/include/proto/fd.h
@@ -104,31 +104,7 @@ void run_poller();
 
 void fd_add_to_fd_list(volatile struct fdlist *list, int fd, int off);
 void fd_rm_from_fd_list(volatile struct fdlist *list, int fd, int off);
-
-/* Mark fd <fd> as updated for polling and allocate an entry in the update list
- * for this if it was not already there. This can be done at any time.
- */
-static inline void updt_fd_polling(const int fd)
-{
-	if ((fdtab[fd].thread_mask & all_threads_mask) == tid_bit) {
-
-		/* note: we don't have a test-and-set yet in hathreads */
-
-		if (HA_ATOMIC_BTS(&fdtab[fd].update_mask, tid))
-			return;
-
-		fd_updt[fd_nbupdt++] = fd;
-	} else {
-		unsigned long update_mask = fdtab[fd].update_mask;
-		do {
-			if (update_mask == fdtab[fd].thread_mask)
-				return;
-		} while (!_HA_ATOMIC_CAS(&fdtab[fd].update_mask, &update_mask,
-		    fdtab[fd].thread_mask));
-		fd_add_to_fd_list(&update_list, fd, offsetof(struct fdtab, update));
-	}
-
-}
+void updt_fd_polling(const int fd);
 
 /* Called from the poller to acknoledge we read an entry from the global
  * update list, to remove our bit from the update_mask, and remove it from
diff --git a/src/fd.c b/src/fd.c
index 183c57375..6bfefdddc 100644
--- a/src/fd.c
+++ b/src/fd.c
@@ -337,6 +337,27 @@ void fd_remove(int fd)
 	fd_dodelete(fd, 0);
 }
 
+void updt_fd_polling(const int fd)
+{
+	if ((fdtab[fd].thread_mask & all_threads_mask) == tid_bit) {
+
+		/* note: we don't have a test-and-set yet in hathreads */
+
+		if (HA_ATOMIC_BTS(&fdtab[fd].update_mask, tid))
+			return;
+
+		fd_updt[fd_nbupdt++] = fd;
+	} else {
+		unsigned long update_mask = fdtab[fd].update_mask;
+		do {
+			if (update_mask == fdtab[fd].thread_mask)
+				return;
+		} while (!_HA_ATOMIC_CAS(&fdtab[fd].update_mask, &update_mask,
+		    fdtab[fd].thread_mask));
+		fd_add_to_fd_list(&update_list, fd, offsetof(struct fdtab, update));
+	}
+}
+
 /* Tries to send <npfx> parts from <prefix> followed by <nmsg> parts from <msg>
  * optionally followed by a newline if <nl> is non-null, to file descriptor
  * <fd>. The message is sent atomically using writev(). It may be truncated to