diff --git a/src/meson.build b/src/meson.build
index 82ce2d4e..0a882f93 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -81,8 +81,8 @@ endif
 host_system = host_machine.system()
 if host_system == 'linux'
 	cflags += ['-DHAS_INOTIFY']
-elif host_system == 'freebsd' or host_system == 'netbsd' or
-     host_system == 'dragonfly' or host_system == 'openbsd'
+elif (host_system == 'freebsd' or host_system == 'netbsd' or
+      host_system == 'dragonfly' or host_system == 'openbsd')
 	cflags += ['-DHAS_KQUEUE']
 endif