diff --git a/tests/custom/debug/Makefile b/tests/custom/debug/Makefile
index 9ee0b2e7b..4616dde67 100644
--- a/tests/custom/debug/Makefile
+++ b/tests/custom/debug/Makefile
@@ -17,11 +17,13 @@ $(TARGET).elf: $(TARGET).S Makefile
 
 sim:
 	spike --isa=rv64gc +signature=$(TARGET).signature.output +signature-granularity=8 $(TARGET).elf
-	diff --ignore-case $(TARGET).signature.output $(TARGET).reference_output || exit
-	echo "Signature matches! Success!"
+#	diff --ignore-case $(TARGET).signature.output $(TARGET).reference_output || exit
+#	echo "Signature matches! Success!"
+	mkdir -p ../work 
+	cp -f * ../work
 
 clean:
-	rm -f $(TARGET).elf $(TARGET).elf.*
+	rm -f $(TARGET).elf $(TARGET).elf.* *.signature.output
 
 
 
diff --git a/tests/custom/debug/debug.S b/tests/custom/debug/debug.S
index 431a261e5..5be3c2012 100644
--- a/tests/custom/debug/debug.S
+++ b/tests/custom/debug/debug.S
@@ -5,6 +5,8 @@
 
 .global rvtest_entry_point
 rvtest_entry_point:
+    lui t0, 0x1e            # turn on Floating point and XS
+    csrs mstatus, t0                 
 
     # openhwgroup/cvw Issue #55
     la a6, begin_signature