1 files changed, 1 insertions, 1 deletions
diff --git a/src/shift_unit.v b/src/shift_unit.v
index eb931e2..1f2c96b 100644
--- a/src/shift_unit.v
+++ b/src/shift_unit.v
@@ -2,7 +2,7 @@ module shift_unit #(
   parameter N = 32
 )(
   input signed [N-1:0] A,
-  input unsigned [N-1:0] SHAMT,
+  input  [N-1:0] SHAMT,
   input [1:0] OP, // 00: SLL, 01: SRL, 11: SRA 
   output reg [N-1:0] RESULT
 );