diff --git a/ia32/Makefile b/ia32/Makefile
index 46609c4..078efc9 100644
--- a/ia32/Makefile
+++ b/ia32/Makefile
@@ -43,7 +43,7 @@ system.o: rmswitch.h
 
 rmswitch.h: bin_to_h.c rmswitch.S
 	$(CC) $(OPTIMFLAGS) -o bin_to_h $(SRCDIR)/bin_to_h.c
-	$(AS) -o rmswitch.o $(SRCDIR)/rmswitch.S
+	$(AS) -mx86-used-note=no -o rmswitch.o $(SRCDIR)/rmswitch.S
 	$(LD) -Ttext 0x0 -s --oformat binary -o rmswitch rmswitch.o
 	./bin_to_h <rmswitch >rmswitch.h
 
diff --git a/x86_64/Makefile b/x86_64/Makefile
index e7c81f8..a3f2411 100644
--- a/x86_64/Makefile
+++ b/x86_64/Makefile
@@ -44,7 +44,7 @@ system.o: rmswitch.h
 
 rmswitch.h: bin_to_h.c rmswitch.S
 	$(CC) $(OPTIMFLAGS) -o bin_to_h $(SRCDIR)/bin_to_h.c
-	$(AS) -o rmswitch.o $(SRCDIR)/rmswitch.S
+	$(AS) -mx86-used-note=no -o rmswitch.o $(SRCDIR)/rmswitch.S
 	$(LD) -Ttext 0x0 -s --oformat binary -o rmswitch rmswitch.o
 	./bin_to_h <rmswitch >rmswitch.h