diff --git a/src/Makefile b/src/Makefile
index 3207b6b..58b8616 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -41,7 +41,7 @@ OBJCOPY=mips-elf-objcopy
 
 PROG-ml402 = $(addprefix $(BUILD_DIR)/, hello.elf testbench.elf test_irq.elf dhry.elf queens.elf stanford.elf paranoia.elf rmd160_test.elf Bessel.elf whet.elf phrasen.elf dttl.elf richards_benchmark.elf test_exception.elf life.elf r3.elf gunzip.elf basic_math.elf jman_patches.elf jman_patchmeshes.elf jman_polys.elf test_hpi.elf test_vga.elf test_fft.elf)
 
-PROG-denano = $(addprefix $(BUILD_DIR)/, hello.elf dhry.elf queens.elf stanford.elf paranoia.elf rmd160_test.elf Bessel.elf whet.elf phrasen.elf dttl.elf richards_benchmark.elf test_exception.elf)
+PROG-denano = $(addprefix $(BUILD_DIR)/, hello.elf dhry.elf queens.elf stanford.elf paranoia.elf rmd160_test.elf Bessel.elf whet.elf phrasen.elf dttl.elf richards_benchmark.elf test_exception.elf testbench_denano.elf)
 
 all: $(PROG-$(BOARD))
 
diff --git a/src/libsys/Makefile b/src/libsys/Makefile
index c356f9b..6787e77 100644
--- a/src/libsys/Makefile
+++ b/src/libsys/Makefile
@@ -5,7 +5,7 @@
 BOARD ?= ml402
 TLB ?= no
 ENDIANESS ?= eb
-DEBUGGER ?= mips
+DEBUGGER ?= rom
 
 		
 ifeq ($(ENDIANESS),el)
diff --git a/src/libsys/boards/denano/board.c b/src/libsys/boards/denano/board.c
index 6a80d69..cd21c7d 100644
--- a/src/libsys/boards/denano/board.c
+++ b/src/libsys/boards/denano/board.c
@@ -13,6 +13,9 @@
 
 extern uart_if_t uart_if[];
 
+#ifdef WITH_ROM_DEBUGGER
+const fp_xcpt_t dbg_func = (fp_xcpt_t)0xbfc01fc0;
+#else
 #ifdef WITH_GDB_STUB
 extern void handle_exception (unsigned long *registers);
 #else
@@ -28,14 +31,11 @@ int dbg_stub(struct xcptcontext * xcp)
 #else
 	return dbg_handler(xcp);
 #endif
-	
 }
 
-#ifdef WITH_ROM_DEBUGGER
-const fp_xcpt_t dbg_func = (fp_xcpt_t)0xbfc01fc0;
-#else
 const fp_xcpt_t dbg_func = (fp_xcpt_t)dbg_stub;
 #endif
+	
 
 #define ARRAYSIZE(a)	(sizeof(a)/sizeof(a[0]))