diff --git a/src/nvim/tui/termkey/termkey_defs.h b/src/nvim/tui/termkey/termkey_defs.h
index 853d1cdd95..354cb17806 100644
--- a/src/nvim/tui/termkey/termkey_defs.h
+++ b/src/nvim/tui/termkey/termkey_defs.h
@@ -2,7 +2,11 @@
 
 #include <stddef.h>
 #include <stdint.h>
-#include <unibilium.h>
+
+#ifdef HAVE_UNIBILIUM
+# include <unibilium.h>
+#endif
+
 #include <uv.h>
 
 #include "nvim/event/defs.h"