diff --git a/hwloc.spec b/hwloc.spec
index 2f55021..c089dcf 100644
--- a/hwloc.spec
+++ b/hwloc.spec
@@ -22,6 +22,8 @@ BuildRequires: texlive-latex texlive-makeindex
 BuildRequires: desktop-file-utils
 %ifnarch s390 s390x %{arm}
 BuildRequires: numactl-devel
+%endif
+%ifnarch %{arm}
 BuildRequires: rdma-core-devel
 %endif
 
@@ -43,7 +45,7 @@ about the hardware, bind processes, and much more.
 Summary:   Headers and shared development libraries for hwloc
 Group:     Development/Libraries
 Requires:  %{name}-libs%{?_isa} = %{version}-%{release}
-%ifnarch s390 s390x %{arm}
+%ifnarch %{arm}
 Requires:  rdma-core-devel%{?_isa}
 %endif