diff --git a/tests/test_basic/tb.sv b/tests/test_basic/tb.sv
index 37c1bc3..39b629e 100644
--- a/tests/test_basic/tb.sv
+++ b/tests/test_basic/tb.sv
@@ -31,7 +31,7 @@ initial $readmemh("tb.hex", mem);
 // Instruction Memory
 wire [31:0] mem_inst_addr;
 reg [31:0] mem_inst_data;
-always @(*) begin
+always_comb begin
     if (mem_inst_addr < MEM_LENGTH - 3) begin
         mem_inst_data[ 7: 0] = mem[mem_inst_addr+0];
         mem_inst_data[15: 8] = mem[mem_inst_addr+1];
diff --git a/tests/test_c/tb.sv b/tests/test_c/tb.sv
index 37c1bc3..39b629e 100644
--- a/tests/test_c/tb.sv
+++ b/tests/test_c/tb.sv
@@ -31,7 +31,7 @@ initial $readmemh("tb.hex", mem);
 // Instruction Memory
 wire [31:0] mem_inst_addr;
 reg [31:0] mem_inst_data;
-always @(*) begin
+always_comb begin
     if (mem_inst_addr < MEM_LENGTH - 3) begin
         mem_inst_data[ 7: 0] = mem[mem_inst_addr+0];
         mem_inst_data[15: 8] = mem[mem_inst_addr+1];