diff --git a/common/CPU/MC6809/mc6809.qip b/common/CPU/MC6809/mc6809.qip
index ebab574b..0ba2553f 100644
--- a/common/CPU/MC6809/mc6809.qip
+++ b/common/CPU/MC6809/mc6809.qip
@@ -1,4 +1,4 @@
 set_global_assignment -name VHDL_FILE [file join $::quartus(qip_path) cpu09l_128a.vhd     ]
-set_global_assignment -name VERILOG [file join $::quartus(qip_path) mc6809.v      ]
-set_global_assignment -name VERILOG [file join $::quartus(qip_path) mc6809i.v     ]
-set_global_assignment -name VERILOG [file join $::quartus(qip_path) mc6809is.v    ]
+set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) mc6809.v      ]
+set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) mc6809i.v     ]
+set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) mc6809is.v    ]