diff --git a/mach/6500/cg/mach.h b/mach/6500/cg/mach.h
index 78383a8e4..3bb921b76 100644
--- a/mach/6500/cg/mach.h
+++ b/mach/6500/cg/mach.h
@@ -18,9 +18,9 @@
 #define dlb_fmt         "_%d"
 #define hol_fmt         "hol%d"
 
-#define hol_off         "%d+hol%d"
+#define hol_off         "%ld+hol%d"
 
-#define con_cst(x)      fprintf(codefile,".data2\t%d\n",x)
+#define con_cst(x)      fprintf(codefile,".data2\t%ld\n",x)
 #define con_ilb(x)      fprintf(codefile,".data2\t%s\n",x)
 #define con_dlb(x)      fprintf(codefile,".data2\t%s\n",x)
 
diff --git a/mach/i80/ncg/mach.h b/mach/i80/ncg/mach.h
index 8f1868c1c..82927cfe0 100644
--- a/mach/i80/ncg/mach.h
+++ b/mach/i80/ncg/mach.h
@@ -17,9 +17,9 @@
 #define dlb_fmt         "_%d"
 #define hol_fmt         "hol%d"
 
-#define hol_off         "%d+hol%d"
+#define hol_off         "%ld+hol%d"
 
-#define con_cst(x)      fprintf(codefile,".data2\t%d\n",x)
+#define con_cst(x)      fprintf(codefile,".data2\t%ld\n",x)
 #define con_ilb(x)      fprintf(codefile,".data2\t%s\n",x)
 #define con_dlb(x)      fprintf(codefile,".data2\t%s\n",x)