diff --git a/includes/Spectate.inc b/includes/Spectate.inc
new file mode 100644
index 00000000..c0418311
--- /dev/null
+++ b/includes/Spectate.inc
@@ -0,0 +1,10 @@
+#if defined _Spectate_included
+	#endinput
+#endif
+#define _Spectate_included
+/**
+ * Called when a client switches to spec by sm_spectate.
+ *
+ * @param client        Client index of the caller.
+ */
+forward void OnPlayerSwitchedToSpectateByCommand(int client);
\ No newline at end of file