diff --git a/build.gradle.kts b/build.gradle.kts
index a0f3b3d..264abdb 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -26,6 +26,7 @@ architectury {
     minecraft = rootProject.property("minecraft") as String
 }
 
+val kotlinX: String = "org.jetbrains.kotlinx"
 subprojects {
     group = rootProject.group.toString()
     lateinit var mappingsDep: Dependency
@@ -78,7 +79,11 @@ subprojects {
             exclude(module = "kotlin-stdlib-common")
             exclude(module = "annotations")
         }
-        "io.github.config4k:config4k:0.4.2".also { implementation(it); shadowC(it) }
+        listOf(
+            "$kotlinX:kotlinx-coroutines-core:1.5.0-RC",
+            "$kotlinX:kotlinx-datetime:0.2.0",
+            "io.github.config4k:config4k:0.4.2"
+        ).forEach { implementation(it); shadowC(it) }
         "minecraft"("com.mojang:minecraft:${rootProject.property("minecraft")}")
         "mappings"(mappingsDep)
     }
@@ -98,6 +103,7 @@ allprojects {
     tasks {
         withType(ShadowJar::class) {
             relocate("kotlin", "${rootProject.group}.kotlin")
+            relocate("org.jetbrains", "${rootProject.group}.jetbrainslibs")
             relocate("com.typesafe.config", "${rootProject.group}.typesafe.config")
             relocate("io.github.config4k", "${rootProject.group}.config4k")
             exclude("**/*.kotlin_metadata")
diff --git a/common/src/main/kotlin/fr/username404/snowygui/config/Configuration.kt b/common/src/main/kotlin/fr/username404/snowygui/config/Configuration.kt
index 2874c4f..628b70f 100644
--- a/common/src/main/kotlin/fr/username404/snowygui/config/Configuration.kt
+++ b/common/src/main/kotlin/fr/username404/snowygui/config/Configuration.kt
@@ -6,6 +6,9 @@ import com.typesafe.config.ConfigFactory
 import com.typesafe.config.ConfigRenderOptions
 import fr.username404.snowygui.Snowy
 import io.github.config4k.extract
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 import net.minecraft.client.Minecraft
 import java.io.File
 
@@ -17,6 +20,24 @@ object Configuration {
         |}
     """.trimMargin()
     private val baseConf = ConfigFactory.parseString(base)
+    private suspend fun writeConfig(c: Config) = coroutineScope {
+        launch {
+            file.writeText(
+                """
+                Snowy {
+                  ${
+                      c.root().render(
+                          ConfigRenderOptions.defaults()
+                              .setFormatted(true)
+                              .setJson(false)
+                              .setOriginComments(false)
+                      ).trimEnd()
+                  }
+                }
+                """.trimIndent()
+            )
+        }
+    }
     @JvmField
     val obtained: Config = run {
         var result: Config = baseConf
@@ -32,24 +53,15 @@ object Configuration {
             }
         }
         ConfigFactory.load(result).extract<Config>("Snowy").resolveWith(baseConf)
+    }.also {
+        runBlocking {
+            writeConfig(it)
+        }
     }
     init {
         Runtime.getRuntime().addShutdownHook(
             Thread {
-                file.writeText(
-                    """
-                        Snowy {
-                          ${
-                              obtained.root().render(
-                                  ConfigRenderOptions.defaults()
-                                      .setFormatted(true)
-                                      .setJson(false)
-                                      .setOriginComments(false)
-                              ).trimEnd()
-                          }
-                        }
-                    """.trimIndent()
-                )
+                runBlocking { writeConfig(obtained).join() }
             }
         )
     }