diff --git a/CHANGELOG.md b/CHANGELOG.md
index d58ceedb..486dddac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,28 @@
 # CHANGELOG
 
+## 1.13.1 - 2018-10-16
+
+#### Added
+
+* *Nothing*
+
+#### Changed
+
+* *Nothing*
+
+#### Deprecated
+
+* *Nothing*
+
+#### Removed
+
+* *Nothing*
+
+#### Fixed
+
+* [#231](https://github.com/shlinkio/shlink/issues/197) Fixed error when processing visits.
+
+
 ## 1.13.0 - 2018-10-06
 
 #### Added
diff --git a/module/Core/src/Entity/VisitLocation.php b/module/Core/src/Entity/VisitLocation.php
index 2027f7e3..f00a5db6 100644
--- a/module/Core/src/Entity/VisitLocation.php
+++ b/module/Core/src/Entity/VisitLocation.php
@@ -136,25 +136,25 @@ class VisitLocation extends AbstractEntity implements ArraySerializableInterface
     public function exchangeArray(array $array): void
     {
         if (\array_key_exists('country_code', $array)) {
-            $this->setCountryCode($array['country_code']);
+            $this->setCountryCode((string) $array['country_code']);
         }
         if (\array_key_exists('country_name', $array)) {
-            $this->setCountryName($array['country_name']);
+            $this->setCountryName((string) $array['country_name']);
         }
         if (\array_key_exists('region_name', $array)) {
-            $this->setRegionName($array['region_name']);
+            $this->setRegionName((string) $array['region_name']);
         }
         if (\array_key_exists('city', $array)) {
-            $this->setCityName($array['city']);
+            $this->setCityName((string) $array['city']);
         }
         if (\array_key_exists('latitude', $array)) {
-            $this->setLatitude($array['latitude']);
+            $this->setLatitude((string) $array['latitude']);
         }
         if (\array_key_exists('longitude', $array)) {
-            $this->setLongitude($array['longitude']);
+            $this->setLongitude((string) $array['longitude']);
         }
         if (\array_key_exists('time_zone', $array)) {
-            $this->setTimezone($array['time_zone']);
+            $this->setTimezone((string) $array['time_zone']);
         }
     }
 
diff --git a/module/Core/test/Entity/VisitLocationTest.php b/module/Core/test/Entity/VisitLocationTest.php
new file mode 100644
index 00000000..d6ccac46
--- /dev/null
+++ b/module/Core/test/Entity/VisitLocationTest.php
@@ -0,0 +1,27 @@
+<?php
+declare(strict_types=1);
+
+namespace ShlinkioTest\Shlink\Core\Entity;
+
+use PHPUnit\Framework\TestCase;
+use Shlinkio\Shlink\Core\Entity\VisitLocation;
+
+class VisitLocationTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function valuesFoundWhenExchangingArrayAreCastToString()
+    {
+        $payload = [
+            'latitude' => 1000.7,
+            'longitude' => -2000.4,
+        ];
+
+        $location = new VisitLocation();
+        $location->exchangeArray($payload);
+
+        $this->assertSame('1000.7', $location->getLatitude());
+        $this->assertSame('-2000.4', $location->getLongitude());
+    }
+}