diff --git a/fints4k/src/commonMain/kotlin/net/dankito/banking/fints/webclient/KtorWebClient.kt b/fints4k/src/commonMain/kotlin/net/dankito/banking/fints/webclient/KtorWebClient.kt
index 4137579c..6a2ddf70 100644
--- a/fints4k/src/commonMain/kotlin/net/dankito/banking/fints/webclient/KtorWebClient.kt
+++ b/fints4k/src/commonMain/kotlin/net/dankito/banking/fints/webclient/KtorWebClient.kt
@@ -19,7 +19,7 @@ open class KtorWebClient : IWebClient {
     }
 
 
-    protected val client = HttpClient() {
+    protected val client = HttpClient {
 
     }
 
@@ -37,20 +37,24 @@ open class KtorWebClient : IWebClient {
 
     override fun post(url: String, body: String, contentType: String, userAgent: String, callback: (WebClientResponse) -> Unit) {
         GlobalScope.async {
-            try {
-                val clientResponse = client.post(url) {
-                    contentType(ContentType.Application.OctetStream)
-                    setBody(body)
-                }
+            postInCoroutine(url, body, contentType, userAgent, callback)
+        }
+    }
 
-                val responseBody = clientResponse.bodyAsText()
-
-                callback(WebClientResponse(clientResponse.status.value == 200, clientResponse.status.value, body = responseBody))
-            } catch (e: Exception) {
-                log.error(e) { "Could not send request to url '$url'" }
-
-                callback(WebClientResponse(false, error = e))
+    protected open suspend fun postInCoroutine(url: String, body: String, contentType: String, userAgent: String, callback: (WebClientResponse) -> Unit) {
+        try {
+            val clientResponse = client.post(url) {
+                contentType(ContentType.Application.OctetStream)
+                setBody(body)
             }
+
+            val responseBody = clientResponse.bodyAsText()
+
+            callback(WebClientResponse(clientResponse.status.value == 200, clientResponse.status.value, body = responseBody))
+        } catch (e: Exception) {
+            log.error(e) { "Could not send request to url '$url'" }
+
+            callback(WebClientResponse(false, error = e))
         }
     }
 
diff --git a/fints4k/src/nativeMain/kotlin/net.dankito.banking.fints.webclient/BlockingKtorWebClient.kt b/fints4k/src/nativeMain/kotlin/net.dankito.banking.fints.webclient/BlockingKtorWebClient.kt
new file mode 100644
index 00000000..479b9f48
--- /dev/null
+++ b/fints4k/src/nativeMain/kotlin/net.dankito.banking.fints.webclient/BlockingKtorWebClient.kt
@@ -0,0 +1,14 @@
+package net.dankito.banking.fints.webclient
+import kotlinx.coroutines.runBlocking
+
+
+open class BlockingKtorWebClient : KtorWebClient() {
+
+
+    override fun post(url: String, body: String, contentType: String, userAgent: String, callback: (WebClientResponse) -> Unit) {
+        runBlocking {
+            postInCoroutine(url, body, contentType, userAgent, callback)
+        }
+    }
+
+}
\ No newline at end of file