diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/util/Utils.java b/src/main/java/ch/ethz/seb/sebserver/gbl/util/Utils.java
index b95c2944..ff07d95b 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/util/Utils.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/util/Utils.java
@@ -8,6 +8,9 @@
 
 package ch.ethz.seb.sebserver.gbl.util;
 
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -21,6 +24,8 @@ import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
 import org.joda.time.DateTime;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -29,6 +34,8 @@ import ch.ethz.seb.sebserver.gbl.Constants;
 
 public final class Utils {
 
+    private static final Logger log = LoggerFactory.getLogger(Utils.class);
+
     /** Get an immutable List from a Collection of elements
      *
      * @param collection Collection of elements
@@ -173,4 +180,13 @@ public final class Utils {
                 : null;
     }
 
+    public static final String encodeFormURL_UTF_8(final String value) {
+        try {
+            return URLEncoder.encode(value, StandardCharsets.UTF_8.name());
+        } catch (final UnsupportedEncodingException e) {
+            log.error("Unexpected error while trying to encode to from URL UTF-8: ", e);
+            return value;
+        }
+    }
+
 }
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/form/Form.java b/src/main/java/ch/ethz/seb/sebserver/gui/form/Form.java
index 40141fa1..d4740bd9 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/form/Form.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/form/Form.java
@@ -8,8 +8,6 @@
 
 package ch.ethz.seb.sebserver.gui.form;
 
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
@@ -35,6 +33,7 @@ import ch.ethz.seb.sebserver.gbl.Constants;
 import ch.ethz.seb.sebserver.gbl.api.JSONMapper;
 import ch.ethz.seb.sebserver.gbl.model.exam.Indicator.Threshold;
 import ch.ethz.seb.sebserver.gbl.util.Tuple;
+import ch.ethz.seb.sebserver.gbl.util.Utils;
 import ch.ethz.seb.sebserver.gui.service.remote.webservice.api.FormBinding;
 import ch.ethz.seb.sebserver.gui.widget.ImageUpload;
 import ch.ethz.seb.sebserver.gui.widget.Selection;
@@ -268,11 +267,11 @@ public final class Form implements FormBinding {
                 final String[] nameValue = StringUtils.split(split[i], Constants.FORM_URL_ENCODED_NAME_VALUE_SEPARATOR);
                 buffer.append(nameValue[0])
                         .append(Constants.FORM_URL_ENCODED_NAME_VALUE_SEPARATOR)
-                        .append(URLEncoder.encode(nameValue[1], StandardCharsets.UTF_8));
+                        .append(Utils.encodeFormURL_UTF_8(nameValue[1]));
             } else {
                 buffer.append(name)
                         .append(Constants.FORM_URL_ENCODED_NAME_VALUE_SEPARATOR)
-                        .append(URLEncoder.encode(split[i], StandardCharsets.UTF_8));
+                        .append(Utils.encodeFormURL_UTF_8(split[i]));
             }
         }
     }