--- freem/src/views.c	2025/02/28 20:06:07	1.3
+++ freem/src/views.c	2025/02/28 20:51:20	1.4
@@ -72,7 +72,7 @@
 #endif /* __CYGWIN__ */
 #include <errno.h> /* snw */
 
-#if defined(__NetBSD__)
+#if defined(__NetBSD__) || defined(__OpenBSD__)
 #include <sys/ioctl.h>
 #endif