SeleniumHQ
diff --git a/‎java/client/src/org/openqa/selenium/ie/InternetExplorerOptions.java‎
Lines changed: 1 addition & 2 deletions b/‎java/client/src/org/openqa/selenium/ie/InternetExplorerOptions.java‎
Lines changed: 1 addition & 2 deletions
diff --git a/‎java/client/test/org/openqa/selenium/ie/InternetExplorerOptionsTest.java‎
Lines changed: 15 additions & 0 deletions b/‎java/client/test/org/openqa/selenium/ie/InternetExplorerOptionsTest.java‎
Lines changed: 15 additions & 0 deletions
@@ -92,8 +92,7 @@ public InternetExplorerOptions() {
 
   public InternetExplorerOptions(Capabilities source) {
     this();
-
-    merge(source);
+    source.getCapabilityNames().forEach(name -> setCapability(name, source.getCapability(name)));
   }
 
   @Override
 
@@ -18,7 +18,10 @@
 package org.openqa.selenium.ie;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.InstanceOfAssertFactories.LIST;
 import static org.assertj.core.api.InstanceOfAssertFactories.MAP;
+import static org.openqa.selenium.ie.InternetExplorerDriver.FORCE_CREATE_PROCESS;
+import static org.openqa.selenium.ie.InternetExplorerDriver.IE_SWITCHES;
 import static org.openqa.selenium.ie.InternetExplorerDriver.INITIAL_BROWSER_URL;
 import static org.openqa.selenium.ie.InternetExplorerDriver.INTRODUCE_FLAKINESS_BY_IGNORING_SECURITY_DOMAINS;
 import static org.openqa.selenium.ie.InternetExplorerOptions.IE_OPTIONS;
@@ -111,4 +114,16 @@ public void shouldSetIeOptionsCapabilityWhenConstructedFromExistingCapabilities(
 
     assertThat(seen.getCapability(IE_OPTIONS)).isEqualTo(expected.getCapability(IE_OPTIONS));
   }
+
+  @Test
+  public void mergingOptionsMergesArguments() {
+    InternetExplorerOptions one = new InternetExplorerOptions().useCreateProcessApiToLaunchIe().addCommandSwitches("-private");
+    InternetExplorerOptions two = new InternetExplorerOptions();
+    InternetExplorerOptions merged = one.merge(two);
+
+    assertThat(merged.asMap()).asInstanceOf(MAP)
+      .containsEntry(FORCE_CREATE_PROCESS, true)
+      .extractingByKey(IE_SWITCHES).asInstanceOf(LIST)
+      .containsExactly("-private");
+  }
 }
Original file line number	Diff line number	Diff line change
`@@ -92,8 +92,7 @@ public InternetExplorerOptions() {`
`92`	`92`
`93`	`93`	`public InternetExplorerOptions(Capabilities source) {`
`94`	`94`	`this();`
`95`		`-`
`96`		`- merge(source);`
	`95`	`+ source.getCapabilityNames().forEach(name -> setCapability(name, source.getCapability(name)));`
`97`	`96`	`}`
`98`	`97`
`99`	`98`	`@Override`