diff --git a/openbsd-compat/glob.c b/openbsd-compat/glob.c
index 1e346a8f6..9dcc4442f 100644
--- a/openbsd-compat/glob.c
+++ b/openbsd-compat/glob.c
@@ -83,6 +83,10 @@
 
 #include "charclass.h"
 
+#ifdef TILDE
+# undef TILDE
+#endif
+
 #define	DOLLAR		'$'
 #define	DOT		'.'
 #define	EOS		'\0'