diff --git a/src/devices/cpu/z80/z80.cpp b/src/devices/cpu/z80/z80.cpp
index 1912054de00..4fe0ec4e8e7 100644
--- a/src/devices/cpu/z80/z80.cpp
+++ b/src/devices/cpu/z80/z80.cpp
@@ -801,7 +801,7 @@ void z80_device::do_op()
 
 void nsc800_device::do_op()
 {
-	#include "cpu/z80/z80_ncs800.hxx"
+	#include "cpu/z80/ncs800.hxx"
 }
 
 /****************************************************************************