diff --git a/modules/seven_seg.sv b/modules/seven_seg.sv
index e0b27a8..413cddd 100644
--- a/modules/seven_seg.sv
+++ b/modules/seven_seg.sv
@@ -1,23 +1,23 @@
 module seven_seg(input logic [3:0] num, input logic [0:0] rbi_inv, output logic [7:0] segments);
         always_comb begin
            case (num)
-               4'b0000: segments = (rbi_inv) ? 8'b11111101 : 8'b00000000;
-               4'b0001: segments = 8'b01100001;
-               4'b0010: segments = 8'b11011011;
-               4'b0011: segments = 8'b11110011;
-               4'b0100: segments = 8'b01100111;
-               4'b0101: segments = 8'b10110111;
-               4'b0110: segments = 8'b10111111;
-               4'b0111: segments = 8'b11100001;
-               4'b1000: segments = 8'b11111111;
-               4'b1001: segments = 8'b11100111;
-               4'b1010: segments = 8'b11101111;
-               4'b1011: segments = 8'b00111111;
-               4'b1100: segments = 8'b10011101;
-               4'b1101: segments = 8'b01111011;
-               4'b1110: segments = 8'b10011111;
-               4'b1111: segments = 8'b10001111;
-               default: segments = 8'bxxxxxxxx;
+               4'b0000: segments = (rbi_inv) ? ~(8'b11111101) : ~(8'b00000000);
+               4'b0001: segments = ~(8'b01100001);
+               4'b0010: segments = ~(8'b11011011);
+               4'b0011: segments = ~(8'b11110011);
+               4'b0100: segments = ~(8'b01100111);
+               4'b0101: segments = ~(8'b10110111);
+               4'b0110: segments = ~(8'b10111111);
+               4'b0111: segments = ~(8'b11100001);
+               4'b1000: segments = ~(8'b11111111);
+               4'b1001: segments = ~(8'b11100111);
+               4'b1010: segments = ~(8'b11101111);
+               4'b1011: segments = ~(8'b00111111);
+               4'b1100: segments = ~(8'b10011101);
+               4'b1101: segments = ~(8'b01111011);
+               4'b1110: segments = ~(8'b10011111);
+               4'b1111: segments = ~(8'b10001111);
+               default: segments = ~(8'bxxxxxxxx);
            endcase     
         end
 endmodule