diff --git a/gupnp-igd.spec b/gupnp-igd.spec
index 8da26db..d645e1d 100644
--- a/gupnp-igd.spec
+++ b/gupnp-igd.spec
@@ -25,7 +25,7 @@ Provides: %{name}-python = %{version}-%{release}
 Provides: %{name}-python%{?_isa} = %{version}-%{release}
 Obsoletes: %{name}-python < %{version}-%{release}
 Summary:        Python bindings for %{name}
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description    -n python2-gupnp-igd
 The python2-gupnp-igd package contains the Python bindings for
@@ -34,11 +34,10 @@ The python2-gupnp-igd package contains the Python bindings for
 
 %package        devel
 Summary:        Development files for %{name}
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       python2-gupnp-igd = %{version}-%{release}
 Requires:       pkgconfig
 
-
 %description    devel
 The %{name}-devel package contains libraries and header files for
 developing applications that use %{name}.
@@ -90,6 +89,7 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 * Tue Nov 21 2017 Kalev Lember <klember@redhat.com> - 0.2.5-1
 - Update to 0.2.5
 - Update inter-package dependencies after python2-gupnp-igd rename
+- Tighten deps with the _isa macro
 
 * Sun Aug 20 2017 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 0.2.4-7
 - Add Provides for the old name without %%_isa