diff --git a/platform/platform-api/src/com/intellij/util/net/HttpProxySettingsUi.form b/platform/platform-api/src/com/intellij/util/net/HttpProxySettingsUi.form
index 70561034a3ea..ac3e6893d70b 100644
--- a/platform/platform-api/src/com/intellij/util/net/HttpProxySettingsUi.form
+++ b/platform/platform-api/src/com/intellij/util/net/HttpProxySettingsUi.form
@@ -110,7 +110,7 @@
               <text resource-bundle="messages/CommonBundle" key="editbox.password"/>
             </properties>
           </component>
-          <component id="8655a" class="com.intellij.ui.RawCommandLineEditor" binding="myProxyExceptions">
+          <component id="8655a" class="com.intellij.ui.RawCommandLineEditor" binding="myProxyExceptions" custom-create="true">
             <constraints>
               <grid row="2" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="7" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
             </constraints>
diff --git a/platform/platform-api/src/com/intellij/util/net/HttpProxySettingsUi.java b/platform/platform-api/src/com/intellij/util/net/HttpProxySettingsUi.java
index 08002dfad6f1..c4da42092704 100644
--- a/platform/platform-api/src/com/intellij/util/net/HttpProxySettingsUi.java
+++ b/platform/platform-api/src/com/intellij/util/net/HttpProxySettingsUi.java
@@ -23,6 +23,8 @@ import org.jetbrains.annotations.Nullable;
 import javax.swing.*;
 import java.awt.event.ActionListener;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.atomic.AtomicReference;
 
 class HttpProxySettingsUi implements ConfigurableUi<HttpConfigurable> {
@@ -196,6 +198,19 @@ class HttpProxySettingsUi implements ConfigurableUi<HttpConfigurable> {
     }
   }
 
+  private void createUIComponents() {
+    myProxyExceptions = new RawCommandLineEditor(text -> {
+      List<String> result = new ArrayList<>();
+      for (String token : text.split(",")) {
+        String trimmedToken = token.trim();
+        if (!trimmedToken.isEmpty()) {
+          result.add(trimmedToken);
+        }
+      }
+      return result;
+    }, strings -> StringUtil.join(strings, ", "));
+  }
+
   @NotNull
   private static String errorText(@NotNull String s) {
     return "Problem with connection: " + s;