diff --git a/TESTBENCH/register_file_tb.v b/TESTBENCH/register_file_tb.v
index f9de925..89c8710 100644
--- a/TESTBENCH/register_file_tb.v
+++ b/TESTBENCH/register_file_tb.v
@@ -84,7 +84,7 @@ begin
         else
 	    no_of_pass  = no_of_pass + 1;
         result[ridx] = DATA_R1; ridx=ridx+1;
-        result[ridx] = DATA_R1; ridx=ridx+1;
+        // result[ridx] = DATA_R1; ridx=ridx+1;
         
 end
 
@@ -100,10 +100,22 @@ begin
         else
 	    no_of_pass  = no_of_pass + 1;
         result[ridx] = DATA_R1; ridx=ridx+1;
-        result[ridx] = DATA_R1; ridx=ridx+1;
+        // result[ridx] = DATA_R1; ridx=ridx+1;
 
 end
 
+// Test reading when READ=0
+#5     READ=1'b0;
+#5     no_of_test = no_of_test + 1;
+if (DATA_R1 !== 32'bZ)
+        $write("[TEST @ %0dns] READ=0, expecting DATA_R1 to be HiZ, got %8h [FAILED]\n", $time, DATA_R1);
+else if (DATA_R2 !== 32'bZ)
+        $write("[TEST @ %0dns] READ=0, expecting DATA_R2 to be HiZ, got %8h [FAILED]\n", $time, DATA_R2);
+else
+no_of_pass  = no_of_pass + 1;
+result[ridx] = DATA_R1; ridx=ridx+1;
+// result[ridx] = DATA_R1; ridx=ridx+1;
+
 // TODO: Read and write from the same address at the same time?
 
 #5    READ=1'b0; WRITE=1'b0; // No op