diff --git a/Makefile b/Makefile
index d48ce72..40022dd 100644
--- a/Makefile
+++ b/Makefile
@@ -66,16 +66,16 @@ firmware/firmware.hex: firmware/firmware.elf
 # 	chmod -x $@
 
 firmware/firmware.elf: $(FIRMWARE_OBJS) $(TEST_OBJS) firmware/sections.lds
-	$(TOOLCHAIN_PREFIX)gcc -Os -mabi=ilp32 -march=rv32im$(subst C,c,$(COMPRESSED_ISA)) -ffreestanding -nostdlib -o $@ \
+	$(TOOLCHAIN_PREFIX)gcc -Os -mabi=ilp32 -march=rv32im -ffreestanding -nostdlib -o $@ \
 		-Wl,--build-id=none,-Bstatic,-T,firmware/sections.lds,-Map,firmware/firmware.map,--strip-debug \
 		$(FIRMWARE_OBJS) $(TEST_OBJS) -lgcc
 	chmod -x $@
 
 firmware/start.o: firmware/start.S
-	$(TOOLCHAIN_PREFIX)gcc -c -mabi=ilp32 -march=rv32im$(subst C,c,$(COMPRESSED_ISA)) -o $@ $<
+	$(TOOLCHAIN_PREFIX)gcc -c -mabi=ilp32 -march=rv32im -o $@ $<
 
 firmware/%.o: firmware/%.c
-	$(TOOLCHAIN_PREFIX)gcc -c -mabi=ilp32 -march=rv32i$(subst C,c,$(COMPRESSED_ISA)) -Os --std=c99 $(GCC_WARNS) -ffreestanding -nostdlib -o $@ $<
+	$(TOOLCHAIN_PREFIX)gcc -c -mabi=ilp32 -march=rv32i -Os --std=c99 $(GCC_WARNS) -ffreestanding -nostdlib -o $@ $<
 
 tests/%.o: tests/%.S tests/riscv_test.h tests/test_macros.h
 	$(TOOLCHAIN_PREFIX)gcc -c -mabi=ilp32 -march=rv32im -o $@ -DTEST_FUNC_NAME=$(notdir $(basename $<)) \
diff --git a/testbench_wb.v b/testbench_wb.v
index ffb1a3a..c9ec7d7 100644
--- a/testbench_wb.v
+++ b/testbench_wb.v
@@ -99,7 +99,9 @@ module picorv32_wrapper #(
 
   reg [1023:0] firmware_file;
   initial begin
-    if (!$value$plusargs("firmware=%s", firmware_file)) firmware_file = "firmware/firmware.hex";
+    if (!$value$plusargs("firmware=%s", firmware_file)) 
+      firmware_file = "firmware/firmware.hex";
+      // firmware_file = "dhrystone/dhry.hex";
     $readmemh(firmware_file, uut.memory);
   end
 
@@ -197,7 +199,7 @@ module picorv32_wb #(
       .BARREL_SHIFTER(0),
       .TWO_CYCLE_COMPARE(0),
       .TWO_CYCLE_ALU(0),
-      .COMPRESSED_ISA(1),
+      .COMPRESSED_ISA(0),
       .CATCH_MISALIGN(0),
       .CATCH_ILLINSN(1),
       .ENABLE_PCPI(0),