diff --git a/package/gnome2/glibmm/glibmm.desc b/package/gnome2/glibmm/glibmm.desc
index 9e29068cf..d880aff7f 100644
--- a/package/gnome2/glibmm/glibmm.desc
+++ b/package/gnome2/glibmm/glibmm.desc
@@ -34,6 +34,7 @@
 [M] Juergen Sawinski <jsaw@rocklinux.org>
 
 [C] extra/development extra/desktop/gnome
+[F] CORE
 
 [L] LGPL
 [S] Stable
diff --git a/package/gnome2/gtkmm/gtkmm.desc b/package/gnome2/gtkmm/gtkmm.desc
index 0182cbac8..b3f113c25 100644
--- a/package/gnome2/gtkmm/gtkmm.desc
+++ b/package/gnome2/gtkmm/gtkmm.desc
@@ -39,6 +39,7 @@
 [M] Juergen Sawinski <jsaw@rocklinux.org>
 
 [C] extra/development extra/desktop/gnome
+[F] CORE
 
 [L] LGPL
 [S] Stable
diff --git a/package/public/cairomm/cairomm.desc b/package/public/cairomm/cairomm.desc
index dff422667..024d6321e 100644
--- a/package/public/cairomm/cairomm.desc
+++ b/package/public/cairomm/cairomm.desc
@@ -35,6 +35,7 @@
 [M] Stefan Fiedler <stefan.fiedler at students.jku.at>
 
 [C] extra/development
+[F] CORE
 
 [L] GPL
 [S] Stable
diff --git a/package/public/inkscape/inkscape.desc b/package/public/inkscape/inkscape.desc
index ec3eb7adc..fef76d2b0 100644
--- a/package/public/inkscape/inkscape.desc
+++ b/package/public/inkscape/inkscape.desc
@@ -34,6 +34,7 @@
 [M] The ROCK Linux Project
 
 [C] extra/multimedia extra/desktop/gnome
+[F] CORE
 
 [L] GPL
 [S] Stable
diff --git a/package/public/libsigc++/libsigc++.desc b/package/public/libsigc++/libsigc++.desc
index 08d7f451c..ff692c32e 100644
--- a/package/public/libsigc++/libsigc++.desc
+++ b/package/public/libsigc++/libsigc++.desc
@@ -38,6 +38,7 @@
 [M] The ROCK Linux Project
 
 [C] extra/development
+[F] CORE
 
 [L] LGPL
 [S] Stable