diff --git a/src/corelib/kernel/qcore_unix_p.h b/src/corelib/kernel/qcore_unix_p.h
index 05711354ff..07725b8cd2 100644
--- a/src/corelib/kernel/qcore_unix_p.h
+++ b/src/corelib/kernel/qcore_unix_p.h
@@ -72,6 +72,10 @@
 #include <errno.h>
 #include <fcntl.h>
 
+#if !defined(QT_POSIX_IPC) && !defined(QT_NO_SHAREDMEMORY) && !defined(Q_OS_ANDROID)
+#  include <sys/ipc.h>
+#endif
+
 #if defined(Q_OS_VXWORKS)
 #  include <ioLib.h>
 #endif