diff --git a/src/PWMaudio.v b/src/PWMaudio.v
index 4bda620..760875d 100644
--- a/src/PWMaudio.v
+++ b/src/PWMaudio.v
@@ -25,14 +25,13 @@ module tt_um_thorkn_audiochip_v2 (
   assign reset = !rst_n;
 
   PWMaudio pwm_audio (
-    .io_pwm_1           (pwm_1_out              ), //o
-    .io_pwm_2           (pwm_2_out              ), //o
-    .io_frequency[11:8] (uio_in[7:4]            ), //i
-    .io_frequency[7:0]  (ui_in[7:0]             ), //i
-    .io_adsr_switch     (uio_in[3]              ), //i
-    .io_adsr_choice     (uio_in[2:0]            ), //i
-    .clk                (clk                    ), //i
-    .reset              (reset                  )  //i
+    .io_pwm_1           (pwm_1_out                ), //o
+    .io_pwm_2           (pwm_2_out                ), //o
+    .io_frequency       ({uio_in[7:4],ui_in[7:0]} ), //i
+    .io_adsr_switch     (uio_in[3]                ), //i
+    .io_adsr_choice     (uio_in[2:0]              ), //i
+    .clk                (clk                      ), //i
+    .reset              (reset                    )  //i
   );
 
   // All output pins must be assigned. If not used, assign to 0.