diff --git a/server/change.c b/server/change.c
index f6d56b0d719..3ac70a43729 100644
--- a/server/change.c
+++ b/server/change.c
@@ -32,6 +32,9 @@
 #include <limits.h>
 #include <dirent.h>
 #include <errno.h>
+#ifdef HAVE_POLL_H
+# include <poll.h>
+#endif
 
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
diff --git a/server/queue.c b/server/queue.c
index 57603e11ca4..601629ecd77 100644
--- a/server/queue.c
+++ b/server/queue.c
@@ -25,6 +25,9 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef HAVE_POLL_H
+# include <poll.h>
+#endif
 
 #include "ntstatus.h"
 #define WIN32_NO_STATUS
diff --git a/server/sock.c b/server/sock.c
index 5ffb1fe37c0..4adad0f68ea 100644
--- a/server/sock.c
+++ b/server/sock.c
@@ -30,6 +30,9 @@
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
+#ifdef HAVE_POLL_H
+# include <poll.h>
+#endif
 #include <sys/time.h>
 #include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H