diff --git a/libgdata.spec b/libgdata.spec
index c70b40f..923594d 100644
--- a/libgdata.spec
+++ b/libgdata.spec
@@ -32,7 +32,7 @@ the common Google services, and has full asynchronous support.
 %package        devel
 Summary:        Development files for %{name}
 Group:          Development/Libraries
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description    devel
 The %{name}-devel package contains libraries and header files for
@@ -79,6 +79,7 @@ find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 %changelog
 * Sun Aug 10 2014 Kalev Lember <kalevlember@gmail.com> - 0.15.2-1
 - Update to 0.15.2
+- Tighten -devel deps with the _isa macro
 
 * Tue Jul 22 2014 Kalev Lember <kalevlember@gmail.com> - 0.15.1-3
 - Rebuilt for gobject-introspection 1.41.4