diff --git a/libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/json/JsonProvider.kt b/libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/json/JsonProvider.kt
index b13d7824be..1e25599962 100644
--- a/libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/json/JsonProvider.kt
+++ b/libraries/androidutils/src/main/kotlin/io/element/android/libraries/androidutils/json/JsonProvider.kt
@@ -16,7 +16,7 @@ import kotlinx.serialization.json.Json
 /**
  * Provides a Json instance configured to ignore unknown keys.
  */
-interface JsonProvider {
+fun interface JsonProvider {
     operator fun invoke(): Json
 }