diff --git a/back/src/Kyoo.Meilisearch/FilterExtensionMethods.cs b/back/src/Kyoo.Meilisearch/FilterExtensionMethods.cs
index 56d68a41..fde9a00f 100644
--- a/back/src/Kyoo.Meilisearch/FilterExtensionMethods.cs
+++ b/back/src/Kyoo.Meilisearch/FilterExtensionMethods.cs
@@ -1,4 +1,3 @@
-using System.Collections;
 using System.ComponentModel.DataAnnotations;
 using Kyoo.Abstractions.Models.Utils;
 using static System.Text.Json.JsonNamingPolicy;
@@ -46,22 +45,7 @@ internal static class FilterExtensionMethods
 		};
 	}
 
-	public static object? InMeilisearchFormat(this object? value)
-	{
-		return value switch
-		{
-			null => null,
-			string => value,
-			Enum => value.ToString(),
-			IEnumerable enumerable
-				=> enumerable.Cast<object>().Select(InMeilisearchFormat).ToArray(),
-			DateTimeOffset dateTime => dateTime.ToUnixTimeSeconds(),
-			DateOnly date => date.ToUnixTimeSeconds(),
-			_ => value
-		};
-	}
-
-	private static long ToUnixTimeSeconds(this DateOnly date)
+	public static long ToUnixTimeSeconds(this DateOnly date)
 	{
 		return new DateTimeOffset(date.ToDateTime(new TimeOnly())).ToUnixTimeSeconds();
 	}
diff --git a/back/src/Kyoo.Meilisearch/MeiliSync.cs b/back/src/Kyoo.Meilisearch/MeiliSync.cs
index 8930c0b8..500fd974 100644
--- a/back/src/Kyoo.Meilisearch/MeiliSync.cs
+++ b/back/src/Kyoo.Meilisearch/MeiliSync.cs
@@ -16,6 +16,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
 
+using System.Collections;
 using System.Dynamic;
 using System.Reflection;
 using Kyoo.Abstractions.Controllers;
@@ -62,7 +63,7 @@ public class MeiliSync
 			foreach (PropertyInfo property in item.GetType().GetProperties())
 				dictionary.Add(
 					CamelCase.ConvertName(property.Name),
-					property.GetValue(item).InMeilisearchFormat()
+					ConvertToMeilisearchFormat(property.GetValue(item))
 				);
 			dictionary.Add("ref", $"{kind}-{item.Id}");
 			expando.kind = kind;
@@ -79,4 +80,19 @@ public class MeiliSync
 		}
 		return _client.Index(index).DeleteOneDocumentAsync(id.ToString());
 	}
+
+	private object? ConvertToMeilisearchFormat(object? value)
+	{
+		return value switch
+		{
+			null => null,
+			string => value,
+			Enum => value.ToString(),
+			IEnumerable enumerable
+				=> enumerable.Cast<object>().Select(ConvertToMeilisearchFormat).ToArray(),
+			DateTimeOffset dateTime => dateTime.ToUnixTimeSeconds(),
+			DateOnly date => date.ToUnixTimeSeconds(),
+			_ => value
+		};
+	}
 }