diff --git a/modules/logger/build.gradle.kts b/modules/logger/build.gradle.kts
index 138444fb..a0c1bfcf 100644
--- a/modules/logger/build.gradle.kts
+++ b/modules/logger/build.gradle.kts
@@ -20,5 +20,11 @@ kotlin {
                 implementation(libs.kermit.logging)
             }
         }
+
+        val jsMain by getting {
+            dependencies {
+                implementation(libs.kermit.logging)
+            }
+        }
     }
 }
diff --git a/modules/openid-federation-client/src/jsMain/kotlin/com/sphereon/oid/fed/client/fetch/Fetch.js.kt b/modules/openid-federation-client/src/jsMain/kotlin/com/sphereon/oid/fed/client/fetch/Fetch.js.kt
index efb91b73..04cff267 100644
--- a/modules/openid-federation-client/src/jsMain/kotlin/com/sphereon/oid/fed/client/fetch/Fetch.js.kt
+++ b/modules/openid-federation-client/src/jsMain/kotlin/com/sphereon/oid/fed/client/fetch/Fetch.js.kt
@@ -92,6 +92,7 @@ class DefaultFetchJSImpl : IFetchCallbackServiceJS {
             return@async getHttpClient().await().get(endpoint) {
                 headers {
                     append(HttpHeaders.Accept, "application/entity-statement+jwt")
+                    append(HttpHeaders.AcceptCharset, "ascii, utf-8")
                 }
             }.body() as String
         }.asPromise()
diff --git a/modules/openid-federation-client/src/jvmMain/kotlin/com/sphereon/oid/fed/client/fetch/Fetch.jvm.kt b/modules/openid-federation-client/src/jvmMain/kotlin/com/sphereon/oid/fed/client/fetch/Fetch.jvm.kt
index a84dcb73..ec76271d 100644
--- a/modules/openid-federation-client/src/jvmMain/kotlin/com/sphereon/oid/fed/client/fetch/Fetch.jvm.kt
+++ b/modules/openid-federation-client/src/jvmMain/kotlin/com/sphereon/oid/fed/client/fetch/Fetch.jvm.kt
@@ -21,6 +21,7 @@ class DefaultFetchJvmImpl : IFetchCallbackService {
         return getHttpClient().get(endpoint) {
             headers {
                 append(HttpHeaders.Accept, "application/entity-statement+jwt")
+                append(HttpHeaders.AcceptCharset, "ascii, utf-8")
             }
         }.body() as String
     }