diff --git a/src/main/java/xyz/etztech/javacord/embed/Embed.kt b/src/main/java/xyz/etztech/javacord/embed/Embed.kt
index 058d7c9..860f2ce 100644
--- a/src/main/java/xyz/etztech/javacord/embed/Embed.kt
+++ b/src/main/java/xyz/etztech/javacord/embed/Embed.kt
@@ -1,19 +1,25 @@
 package xyz.etztech.javacord.embed
 
 import java.time.OffsetDateTime
-import kotlinx.serialization.Contextual
+import java.time.format.DateTimeFormatter
+import kotlinx.serialization.KSerializer
 import kotlinx.serialization.Serializable
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encodeToString
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
 import kotlinx.serialization.json.Json
 
 @Serializable
 class Embed {
-    private var content = ""
-    private var title = ""
-    private var description = ""
-    private var url = ""
-    private var color = 0
-    @Contextual
+    private var content: String? = null
+    private var title: String? = null
+    private var description: String? = null
+    private var url: String? = null
+    private var color: Int? = null
+    @Serializable(with = OffsetDateTimeSerializer::class)
     private var timestamp: OffsetDateTime? = null
     private var footer: Footer? = null
     private var thumbnail: Thumbnail? = null
@@ -83,4 +89,13 @@ class Embed {
     override fun toString(): String {
         return Json.encodeToString(this)
     }
+}
+
+object OffsetDateTimeSerializer : KSerializer<OffsetDateTime> {
+    override val descriptor: SerialDescriptor =
+        PrimitiveSerialDescriptor("OffsetDateTime", PrimitiveKind.STRING)
+    override fun serialize(encoder: Encoder, value: OffsetDateTime) =
+        encoder.encodeString(value.format(DateTimeFormatter.ISO_INSTANT))
+    override fun deserialize(decoder: Decoder): OffsetDateTime =
+        OffsetDateTime.parse(decoder.decodeString(), DateTimeFormatter.ISO_INSTANT)
 }
\ No newline at end of file
diff --git a/src/test/java/xyz/etztech/javacord/embed/EmbedTest.kt b/src/test/java/xyz/etztech/javacord/embed/EmbedTest.kt
index b8d08c8..8d29984 100644
--- a/src/test/java/xyz/etztech/javacord/embed/EmbedTest.kt
+++ b/src/test/java/xyz/etztech/javacord/embed/EmbedTest.kt
@@ -1,5 +1,6 @@
 package xyz.etztech.javacord.embed
 
+import java.time.OffsetDateTime
 import org.junit.jupiter.api.Assertions
 import org.junit.jupiter.api.Test
 
@@ -18,9 +19,11 @@ class EmbedTest {
                         Field("Field3", "baz", true)
                     )
                 )
+                .timestamp(OffsetDateTime.MIN)
         val expected =
             "{\"title\":\"Test \\\"Title\\\"\",\"description\":\"Test Description\",\"color\"" +
-                ":1381653,\"author\":{\"name\":\"Etzelia\",\"url\":\"https://etzel.ia\",\"iconURL" +
+                ":1381653,\"timestamp\":\"-1000000000-12-31T06:00:00Z\",\"author\":{\"name\":\"" +
+                    "Etzelia\",\"url\":\"https://etzel.ia\",\"iconURL" +
                 "\":\"\",\"proxyIconURL\":\"\"},\"fields\":[{\"name\":\"Field1\",\"value\":\"foo" +
                 "\",\"inline\":false},{\"name\":\"Field2\",\"value\":\"bar\",\"inline\":false},{" +
                 "\"name\":\"Field3\",\"value\":\"baz\",\"inline\":true}]}"