diff --git a/nvidia-texture-tools.spec b/nvidia-texture-tools.spec
index cab19af..862fb8e 100644
--- a/nvidia-texture-tools.spec
+++ b/nvidia-texture-tools.spec
@@ -16,6 +16,9 @@ BuildRequires:	libtiff-devel
 BuildRequires:	openjpeg-devel
 BuildRequires:	libGL-devel
 BuildRequires:	libGLU-devel
+
+ExclusiveArch:	%{ix86} x86_64 %{arm} aarch64
+
 # g++ 4.7 does not include unistd.h by default to avoid namespace polution
 Patch0:		%{name}-%{version}-gcc4.7.patch
 # use a saner type for int64 and uint64 generic typedefs that are unlikely