diff --git a/mach/6500/cg/mach.c b/mach/6500/cg/mach.c
index 09a890476..08c25f784 100644
--- a/mach/6500/cg/mach.c
+++ b/mach/6500/cg/mach.c
@@ -35,7 +35,7 @@ con_float() {
 static int been_here;
 	if (argval != 4 && argval != 8)
 		fatal("bad fcon size");
-	fprintf(codefile,".long\t");
+	fprintf(codefile,".data4\t");
 	if (argval == 8)
 		fprintf(codefile,"F_DUM,");
 	fprintf(codefile,"F_DUM\n");