diff --git a/README.Fedora b/README.Fedora
index 7d6089137..6f9636b2c 100644
--- a/README.Fedora
+++ b/README.Fedora
@@ -72,6 +72,9 @@ This section explains how to upgrade LibrePlan from version a.b.c to version x.y
 
 *VERY IMPORTANT*: If there are other versions between a.b.c and x.y.z, we need to execute those scripts in order, so the upgrade is done correctly.
 
+*WARNING*: If you are using PostgreSQL version 8 you will have to execute the next command over LibrePlan database in order to use the upgrade script for version 1.3.0:
+
+# su postgres -c "createlang -d libreplan plpgsql"
 
 2) Stop Tomcat6
 ---------------
diff --git a/README.openSUSE b/README.openSUSE
index 0fe59b4b1..79cf272dc 100644
--- a/README.openSUSE
+++ b/README.openSUSE
@@ -77,6 +77,10 @@ This section explains how to upgrade LibrePlan from version a.b.c to version x.y
 
 *VERY IMPORTANT*: If there are other versions between a.b.c and x.y.z, we need to execute those scripts in order, so the upgrade is done correctly.
 
+*WARNING*: If you are using PostgreSQL version 8 you will have to execute the next command over LibrePlan database in order to use the upgrade script for version 1.3.0:
+
+# su postgres -c "createlang -d libreplan plpgsql"
+
 
 2) Stop Tomcat6
 ---------------