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 48b7231c..e4e911b6 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
@@ -28,6 +28,7 @@ open class KtorWebClient : IWebClient {
         try {
             client.close()
         } catch (e: Exception) {
+            log.error(e) { "Could not close client" }
             // Cancel after timeout
             client.cancel()
         }