diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90f4acd1..7d2459b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,30 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com), and this project adheres to [Semantic Versioning](https://semver.org).
 
+## [Unreleased]
+
+#### Added
+
+* *Nothing*
+
+#### Changed
+
+* *Nothing*
+
+#### Deprecated
+
+* *Nothing*
+
+#### Removed
+
+* *Nothing*
+
+#### Fixed
+
+* [#607](https://github.com/shlinkio/shlink/issues/607) Added missing info on UPGRADE.md doc.
+* [#610](https://github.com/shlinkio/shlink/issues/610) Fixed use of hardcoded quotes on a database migration which makes it fail on postgres.
+
+
 ## 2.0.0 - 2020-01-08
 
 #### Added
diff --git a/data/migrations/Version20200105165647.php b/data/migrations/Version20200105165647.php
index 24b9f984..6367f440 100644
--- a/data/migrations/Version20200105165647.php
+++ b/data/migrations/Version20200105165647.php
@@ -9,18 +9,35 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\Migrations\AbstractMigration;
 
+use function Functional\some;
+
 final class Version20200105165647 extends AbstractMigration
 {
     private const COLUMNS = ['lat' => 'latitude', 'lon' => 'longitude'];
 
+    /**
+     * @throws DBALException
+     */
     public function preUp(Schema $schema): void
     {
+        $visitLocations = $schema->getTable('visit_locations');
+        $this->skipIf(some(
+            self::COLUMNS,
+            fn (string $v, string $newColName) => $visitLocations->hasColumn($newColName),
+        ), 'New columns already exist');
+
         foreach (self::COLUMNS as $columnName) {
             $qb = $this->connection->createQueryBuilder();
             $qb->update('visit_locations')
-               ->set($columnName, '"0"')
-               ->where($columnName . '=""')
-               ->orWhere($columnName . ' IS NULL')
+               ->set($columnName, ':zeroValue')
+               ->where($qb->expr()->orX(
+                   $qb->expr()->eq($columnName, ':emptyString'),
+                   $qb->expr()->isNull($columnName),
+               ))
+               ->setParameters([
+                   'zeroValue' => '0',
+                   'emptyString' => '',
+               ])
                ->execute();
         }
     }
@@ -33,16 +50,24 @@ final class Version20200105165647 extends AbstractMigration
         $visitLocations = $schema->getTable('visit_locations');
 
         foreach (self::COLUMNS as $newName => $oldName) {
-            $visitLocations->addColumn($newName, Types::FLOAT);
+            $visitLocations->addColumn($newName, Types::FLOAT, [
+                'default' => '0.0',
+            ]);
         }
     }
 
+    /**
+     * @throws DBALException
+     */
     public function postUp(Schema $schema): void
     {
+        $platformName = $this->connection->getDatabasePlatform()->getName();
+        $castType = $platformName === 'postgres' ? 'DOUBLE PRECISION' : 'DECIMAL(9,2)';
+
         foreach (self::COLUMNS as $newName => $oldName) {
             $qb = $this->connection->createQueryBuilder();
             $qb->update('visit_locations')
-               ->set($newName, $oldName)
+               ->set($newName, 'CAST(' . $oldName . ' AS ' . $castType . ')')
                ->execute();
         }
     }
diff --git a/data/migrations/Version20200106215144.php b/data/migrations/Version20200106215144.php
index 8969441b..e7a2c31a 100644
--- a/data/migrations/Version20200106215144.php
+++ b/data/migrations/Version20200106215144.php
@@ -9,6 +9,8 @@ use Doctrine\DBAL\Schema\Schema;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\Migrations\AbstractMigration;
 
+use function Functional\none;
+
 final class Version20200106215144 extends AbstractMigration
 {
     private const COLUMNS = ['latitude', 'longitude'];
@@ -19,6 +21,10 @@ final class Version20200106215144 extends AbstractMigration
     public function up(Schema $schema): void
     {
         $visitLocations = $schema->getTable('visit_locations');
+        $this->skipIf(none(
+            self::COLUMNS,
+            fn (string $oldColName) => $visitLocations->hasColumn($oldColName),
+        ), 'Old columns do not exist');
 
         foreach (self::COLUMNS as $colName) {
             $visitLocations->dropColumn($colName);