diff --git a/mach/i386/ncg/mach.c b/mach/i386/ncg/mach.c
index bbb403453..288371dd8 100644
--- a/mach/i386/ncg/mach.c
+++ b/mach/i386/ncg/mach.c
@@ -41,6 +41,9 @@ con_mult(sz) word sz; {
 
 #define CODE_GENERATOR  
 #define IEEEFLOAT  
+#define FL_MSL_AT_LOW_ADDRESS	0
+#define FL_MSW_AT_LOW_ADDRESS	0
+#define FL_MSB_AT_LOW_ADDRESS	0
 #include <con_float>
 
 /*
diff --git a/mach/i386/ncg/mach.h b/mach/i386/ncg/mach.h
index c750c59fd..878cb01cc 100644
--- a/mach/i386/ncg/mach.h
+++ b/mach/i386/ncg/mach.h
@@ -16,7 +16,7 @@
 
 #define cst_fmt         "%ld"
 #define off_fmt         "%ld"
-#define ilb_fmt         "I%x_%x"
+#define ilb_fmt         "I%x_%d"
 #define dlb_fmt         "I_%d"
 #define hol_fmt         "hol%d"