diff --git a/rtl/scramble.v b/rtl/scramble.v
index 3dbc643..b9336e7 100644
--- a/rtl/scramble.v
+++ b/rtl/scramble.v
@@ -21,6 +21,6 @@ module scramble (
 	end
 
 	always @(posedge clk)
-		lfsr = { lfsr[9:0], lfsr_next };
+		lfsr <= { lfsr[9:0], lfsr_next };
 
 endmodule