diff --git a/src/com/owncloud/android/lib/common/OwnCloudBasicCredentials.java b/src/com/owncloud/android/lib/common/OwnCloudBasicCredentials.java
index 02b515d87..3857f2079 100644
--- a/src/com/owncloud/android/lib/common/OwnCloudBasicCredentials.java
+++ b/src/com/owncloud/android/lib/common/OwnCloudBasicCredentials.java
@@ -47,6 +47,7 @@ public void applyTo(OwnCloudClient client) {
         client.getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs);        
         
         client.getParams().setAuthenticationPreemptive(true);
+        client.getParams().setCredentialCharset("UTF-8");
         client.getState().setCredentials(
         		AuthScope.ANY, 
         		new UsernamePasswordCredentials(mUsername, mPassword)
diff --git a/src/com/owncloud/android/lib/common/OwnCloudBearerCredentials.java b/src/com/owncloud/android/lib/common/OwnCloudBearerCredentials.java
index c3461e023..d0226077e 100644
--- a/src/com/owncloud/android/lib/common/OwnCloudBearerCredentials.java
+++ b/src/com/owncloud/android/lib/common/OwnCloudBearerCredentials.java
@@ -49,6 +49,7 @@ public void applyTo(OwnCloudClient client) {
 	    client.getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs);        
 	    
 	    client.getParams().setAuthenticationPreemptive(true);
+        client.getParams().setCredentialCharset("UTF-8");
 	    client.getState().setCredentials(
 	    		AuthScope.ANY, 
 	    		new BearerCredentials(mAccessToken)
diff --git a/src/com/owncloud/android/lib/common/OwnCloudSamlSsoCredentials.java b/src/com/owncloud/android/lib/common/OwnCloudSamlSsoCredentials.java
index e2d67ee83..997838892 100644
--- a/src/com/owncloud/android/lib/common/OwnCloudSamlSsoCredentials.java
+++ b/src/com/owncloud/android/lib/common/OwnCloudSamlSsoCredentials.java
@@ -41,6 +41,7 @@ public OwnCloudSamlSsoCredentials(String username, String sessionCookie) {
 	@Override
 	public void applyTo(OwnCloudClient client) {
         client.getParams().setAuthenticationPreemptive(false);
+        client.getParams().setCredentialCharset("UTF-8");
         client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
         client.setFollowRedirects(false);