diff --git a/multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumLoader.kt b/multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumLoader.kt
index 391c0c2..14937b2 100644
--- a/multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumLoader.kt
+++ b/multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/JsSodiumLoader.kt
@@ -52,7 +52,7 @@ object JsSodiumLoader {
 
     fun loadWithCallback(doneCallback: () -> (JsAny)) {
         if (!getSodiumLoaded()) {
-            _libsodiumPromise.then {
+            _libsodiumPromise.then<JsAny> {
                 sodium_init()
                 sodiumLoaded = true
                 doneCallback.invoke()
diff --git a/multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/LibsodiumInitializer.kt b/multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/LibsodiumInitializer.kt
index 20bf538..e1c4ae1 100644
--- a/multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/LibsodiumInitializer.kt
+++ b/multiplatform-crypto-libsodium-bindings/src/wasmJsMain/kotlin/com/ionspin/kotlin/crypto/LibsodiumInitializer.kt
@@ -21,10 +21,12 @@ actual object LibsodiumInitializer {
         isPlatformInitialized = true
     }
 
+
     actual fun initializeWithCallback(done: () -> Unit) {
         JsSodiumLoader.loadWithCallback {
             isPlatformInitialized = true
             done()
+            "null".toJsString()
         }
     }