diff --git a/sagemath.spec b/sagemath.spec
index 4b0f3d0..6d31114 100644
--- a/sagemath.spec
+++ b/sagemath.spec
@@ -1635,6 +1635,15 @@ EOF
 # last install command
 rm -fr $DOT_SAGE
 
+########################################################################
+# Update sagemath's view of installed packages as RPM packages are added
+# and removed.
+%triggerin -- %{name}-data-elliptic_curves_large
+mkdir -p %{SAGE_LOCAL}/var/lib/sage/installed/database_cremona_ellcurve-%{cremona_ver} 2>&1 || :
+
+%triggerun -- %{name}-data-elliptic_curves_large
+rm -fr %{SAGE_LOCAL}/var/lib/sage/installed/database_cremona_ellcurve-%{cremona_ver}
+
 ########################################################################
 %files
 # GPLv2+
@@ -1656,7 +1665,7 @@ rm -fr $DOT_SAGE
 %{SAGE_LOCAL}/lib
 %{SAGE_LOCAL}/share
 %{SAGE_LOCAL}/var
-%exclude %{SAGE_LOCAL}/var/lib/sage/installed/database_cremona_ellcurve-%{cremona_ver}
+%ghost %{SAGE_LOCAL}/var/lib/sage/installed/database_cremona_ellcurve-%{cremona_ver}
 %{SAGE_ROOT}/doc
 %{SAGE_ROOT}/devel
 %{SAGE_ROOT}/share
@@ -1723,7 +1732,6 @@ rm -fr $DOT_SAGE
 # GPLv2+
 %dir %{SAGE_SHARE}/cremona/
 %{SAGE_SHARE}/cremona/cremona.db
-%{SAGE_LOCAL}/var/lib/sage/installed/database_cremona_ellcurve-%{cremona_ver}
 
 #------------------------------------------------------------------------
 %files		data-etc