diff --git a/libdap.spec b/libdap.spec
index a027604..052f17b 100644
--- a/libdap.spec
+++ b/libdap.spec
@@ -1,7 +1,7 @@
 Name: libdap
 Summary: The C++ DAP2 library from OPeNDAP
 Version: 3.14.0
-Release: 3%{?dist}
+Release: 4%{?dist}
 
 License: LGPLv2+
 Group: Development/Libraries
@@ -28,7 +28,9 @@ BuildRequires: libuuid-devel
 BuildRequires: libxml2-devel
 BuildRequires: openssl-devel
 BuildRequires: pkgconfig
+%ifarch %{ix86} x86_64 ppc ppc64 ppc64le s390x armv7hl aarch64
 BuildRequires: valgrind
+%endif
 
 Provides: bundled(gnulib)
 
@@ -146,6 +148,9 @@ make check
 
 
 %changelog
+* Thu Jun 04 2015 Dan Horák <dan[at]danny.cz> - 3.14.0-4
+- valgrind available only on selected arches
+
 * Fri Apr 17 2015 Orion Poplawski <orion@cora.nwra.com> - 3.14.0-3
 - Add patch to add needed includes