diff --git a/dhrystone/testbench_slow_mem.v b/dhrystone/testbench_slow_mem.v
index e4a4dfa..857d06f 100644
--- a/dhrystone/testbench_slow_mem.v
+++ b/dhrystone/testbench_slow_mem.v
@@ -13,7 +13,7 @@ module testbench;
 	end
 
 	wire mem_valid;
-    reg  mem_valid_q;
+	reg  mem_valid_q;
 	wire mem_instr;
 	reg  mem_ready;
 	wire [31:0] mem_addr;
@@ -49,43 +49,43 @@ module testbench;
 	initial $readmemh("dhry.hex", memory);
 
 	always @(posedge clk) begin
-        mem_ready <= 1'b0;
+		mem_ready <= 1'b0;
 
-	    mem_rdata[ 7: 0] <= 'bx;
-        mem_rdata[15: 8] <= 'bx;
-        mem_rdata[23:16] <= 'bx;
-        mem_rdata[31:24] <= 'bx;
+		mem_rdata[ 7: 0] <= 'bx;
+		mem_rdata[15: 8] <= 'bx;
+		mem_rdata[23:16] <= 'bx;
+		mem_rdata[31:24] <= 'bx;
 
 		if (mem_valid & !mem_valid_q) begin
-            if (|mem_wstrb) begin
-                mem_ready <= 1'b1;
+			if (|mem_wstrb) begin
+				mem_ready <= 1'b1;
 
-			    case (mem_addr)
-    				32'h1000_0000: begin
+				case (mem_addr)
+					32'h1000_0000: begin
 `ifndef TIMING
-    					$write("%c", mem_wdata);
-    					$fflush();
+						$write("%c", mem_wdata);
+						$fflush();
 `endif
-    				end
-    				default: begin
-    					if (mem_wstrb[0]) memory[mem_addr + 0] <= mem_wdata[ 7: 0];
-    					if (mem_wstrb[1]) memory[mem_addr + 1] <= mem_wdata[15: 8];
-    					if (mem_wstrb[2]) memory[mem_addr + 2] <= mem_wdata[23:16];
-    					if (mem_wstrb[3]) memory[mem_addr + 3] <= mem_wdata[31:24];
-    				end
-    			endcase
-            end
-            else begin
-                mem_ready <= 1'b1;
+					end
+					default: begin
+						if (mem_wstrb[0]) memory[mem_addr + 0] <= mem_wdata[ 7: 0];
+						if (mem_wstrb[1]) memory[mem_addr + 1] <= mem_wdata[15: 8];
+						if (mem_wstrb[2]) memory[mem_addr + 2] <= mem_wdata[23:16];
+						if (mem_wstrb[3]) memory[mem_addr + 3] <= mem_wdata[31:24];
+					end
+				endcase
+			end
+			else begin
+				mem_ready <= 1'b1;
 
-      		    mem_rdata[ 7: 0] <= memory[mem_addr + 0];
-    		    mem_rdata[15: 8] <= memory[mem_addr + 1];
-    		    mem_rdata[23:16] <= memory[mem_addr + 2];
-    		    mem_rdata[31:24] <= memory[mem_addr + 3];
-            end
+				mem_rdata[ 7: 0] <= memory[mem_addr + 0];
+				mem_rdata[15: 8] <= memory[mem_addr + 1];
+				mem_rdata[23:16] <= memory[mem_addr + 2];
+				mem_rdata[31:24] <= memory[mem_addr + 3];
+			end
 		end
 
-        mem_valid_q <= mem_valid;
+		mem_valid_q <= mem_valid;
 	end
 
 	initial begin