diff --git a/nbdkit.spec b/nbdkit.spec
index f0658af..ea40575 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -331,7 +331,7 @@ Summary:        Tar archive plugin for %{name}
 License:        BSD
 BuildArch:      noarch
 
-Requires:       %{name}%{?_isa} = %{version}-%{release}
+Requires:       %{name} = %{version}-%{release}
 
 
 %description plugin-tar
@@ -415,7 +415,7 @@ plugins for %{name}.
 Summary:       Bash tab-completion for %{name}
 BuildArch:     noarch
 Requires:      bash-completion >= 2.0
-Requires:      %{name}%{?_isa} = %{version}-%{release}
+Requires:      %{name} = %{version}-%{release}
 
 
 %description bash-completion