diff --git a/techlibs/greenpak4/cells_sim.v b/techlibs/greenpak4/cells_sim.v
index 249ea286..a4094f06 100644
--- a/techlibs/greenpak4/cells_sim.v
+++ b/techlibs/greenpak4/cells_sim.v
@@ -64,8 +64,10 @@ module GP_VSS(output OUT);
 endmodule
 
 module GP_LFOSC(input PWRDN, output reg CLKOUT);
+	
 	parameter PWRDN_EN = 0;
-	parameter AUTO_ON = 0;
+	parameter AUTO_PWRDN = 0;
+	parameter OUT_DIV = 1;
 	
 	initial CLKOUT = 0;