diff --git a/tb/env/alu_scoreboard.svh b/tb/env/alu_scoreboard.svh
index ddef81422..66d5e5000 100644
--- a/tb/env/alu_scoreboard.svh
+++ b/tb/env/alu_scoreboard.svh
@@ -18,21 +18,21 @@ class alu_scoreboard extends uvm_scoreboard;
 
     virtual function void write (fu_if_seq_item seq_item);
         result = 64'b0;
-	      result32 = 32'b0;
+        result32 = 32'b0;
 
-      	case (alu_op'(seq_item.operator))
-      	    ADD:
-      		    result = seq_item.operand_a + seq_item.operand_b;
+        case(alu_op'(seq_item.operator))
+            ADD:
+              result = seq_item.operand_a + seq_item.operand_b;
             ADDW: begin
-      		    result32 = seq_item.operand_a[31:0] + seq_item.operand_b[31:0];
-      		    result = {{32{result32[31]}}, result32}; // sign extend the result
-      	    end
-      	    SUB:
-        		  result = seq_item.operand_a - seq_item.operand_b;
-      	    SUBW: begin
-        		  result32 = seq_item.operand_a[31:0] - seq_item.operand_b[31:0];
-      		    result = {{32{result32[31]}}, result32};
-      	    end
+              result32 = seq_item.operand_a[31:0] + seq_item.operand_b[31:0];
+              result = {{32{result32[31]}}, result32}; // sign extend the result
+            end
+            SUB:
+             result = seq_item.operand_a - seq_item.operand_b;
+            SUBW: begin
+             result32 = seq_item.operand_a[31:0] - seq_item.operand_b[31:0];
+             result = {{32{result32[31]}}, result32};
+            end
             XORL:
               result =  seq_item.operand_a ^ seq_item.operand_b;
             ORL:
@@ -40,7 +40,7 @@ class alu_scoreboard extends uvm_scoreboard;
             ANDL:
               result =  seq_item.operand_a & seq_item.operand_b;
             SRA:
-              result = $signed(seq_item.operand_a) >>> seq_item.operand_b[5:0];
+              result = $signed(seq_item.operand_a[63:0]) >>> seq_item.operand_b[5:0];
             SRL:
               result = $unsigned(seq_item.operand_a) >>> seq_item.operand_b[5:0];
             SLL:
@@ -60,7 +60,7 @@ class alu_scoreboard extends uvm_scoreboard;
         endcase
 
         if (result != seq_item.result)
-		      `uvm_error("ALU Scoreboard", $sformatf("Result: %0h, Expected %0h", seq_item.result, result))
+          `uvm_error("ALU Scoreboard", $sformatf("Result: %0h, Expected %0h", seq_item.result, result))
 
     endfunction : write;
 
diff --git a/tb/test/alu_test.svh b/tb/test/alu_test.svh
index 85a617d14..43961c834 100644
--- a/tb/test/alu_test.svh
+++ b/tb/test/alu_test.svh
@@ -40,7 +40,7 @@ class alu_test extends alu_test_base;
         super.run_phase(phase);
 
         add_sequence = new("add");
-	    add_sequence.start(sequencer_h);
+        add_sequence.start(sequencer_h);
 
         addw_sequence = new("addw");
         addw_sequence.start(sequencer_h);