diff --git a/nasm.spec.in b/nasm.spec.in
index 07750018..d0fe6ec9 100644
--- a/nasm.spec.in
+++ b/nasm.spec.in
@@ -1,8 +1,3 @@
-#
-# This RPM file should be built twice: once normally, to build the
-# nasm and nasm-rdoff packages, and once with --target=noarch to build
-# the nasm-doc RPM.
-#
 Summary: The Netwide Assembler, a portable x86 assembler with Intel-like syntax
 Name: nasm
 Version: @@VERSION@@
@@ -14,6 +9,7 @@ URL: http://nasm.2y.net/
 BuildRoot: /tmp/rpm-build-nasm
 Prefix: /usr
 BuildPrereq: perl
+BuildArchitectures: noarch %{_arch}
 
 %package doc
 Summary: Extensive documentation for NASM