diff --git a/src/java/org/lwjgl/LWJGLUtil.java b/src/java/org/lwjgl/LWJGLUtil.java
index cac7f54a..b26e343e 100644
--- a/src/java/org/lwjgl/LWJGLUtil.java
+++ b/src/java/org/lwjgl/LWJGLUtil.java
@@ -380,6 +380,22 @@ public class LWJGLUtil {
 		return paths;
 	}
 
+	static void execPrivileged(final String[] cmd_array) throws Exception {
+		try {
+			Process process = (Process)AccessController.doPrivileged(new PrivilegedExceptionAction() {
+				public Object run() throws Exception {
+					return Runtime.getRuntime().exec(cmd_array);
+				}
+			});
+			// Close unused streams to make sure the child process won't hang
+			process.getInputStream().close();
+			process.getOutputStream().close();
+			process.getErrorStream().close();
+		} catch (PrivilegedActionException e) {
+			throw (Exception)e.getCause();
+		}
+	}
+
 	private static String getPrivilegedProperty(final String property_name) {
 		return (String)AccessController.doPrivileged(new PrivilegedAction() {
 			public Object run() {
diff --git a/src/java/org/lwjgl/LinuxSysImplementation.java b/src/java/org/lwjgl/LinuxSysImplementation.java
index d4e1c2c7..a813ceb2 100644
--- a/src/java/org/lwjgl/LinuxSysImplementation.java
+++ b/src/java/org/lwjgl/LinuxSysImplementation.java
@@ -32,8 +32,6 @@
 package org.lwjgl;
 
 import java.security.AccessController;
-import java.security.PrivilegedActionException;
-import java.security.PrivilegedExceptionAction;
 
 /**
  *
@@ -50,19 +48,14 @@ class LinuxSysImplementation extends J2SESysImplementation {
 		// Linux may as well resort to pure Java hackery, as there's no Linux native way of doing it
 		// right anyway.
 
-		String[] browsers = {"firefox", "mozilla", "opera", "konqueror", "nautilus", "galeon", "netscape"};
+		String[] browsers = {"xdg-open", "firefox", "mozilla", "opera", "konqueror", "nautilus", "galeon", "netscape"};
 
 		for (int i = 0; i < browsers.length; i ++) {
 			final String browser = browsers[i];
 			try {
-				AccessController.doPrivileged(new PrivilegedExceptionAction() {
-					public Object run() throws Exception {
-						Runtime.getRuntime().exec(new String[] { browser, url });
-						return null;
-					}
-				});
+				LWJGLUtil.execPrivileged(new String[] { browser, url });
 				return true;
-			} catch (PrivilegedActionException e) {
+			} catch (Exception e) {
 				// Ignore
 				e.printStackTrace(System.err);
 			}
diff --git a/src/java/org/lwjgl/WindowsSysImplementation.java b/src/java/org/lwjgl/WindowsSysImplementation.java
index a3343c02..d9b1b66b 100644
--- a/src/java/org/lwjgl/WindowsSysImplementation.java
+++ b/src/java/org/lwjgl/WindowsSysImplementation.java
@@ -32,8 +32,6 @@
 package org.lwjgl;
 
 import java.security.AccessController;
-import java.security.PrivilegedExceptionAction;
-import java.security.PrivilegedActionException;
 
 /**
  * <p>
@@ -56,15 +54,10 @@ class WindowsSysImplementation extends DefaultSysImplementation {
 
 	public boolean openURL(final String url) {
 		try {
-			AccessController.doPrivileged(new PrivilegedExceptionAction() {
-				public Object run() throws Exception {
-					Runtime.getRuntime().exec(new String[]{"rundll32", "url.dll,FileProtocolHandler", url});
-					return null;
-				}
-			});
+			LWJGLUtil.execPrivileged(new String[]{"rundll32", "url.dll,FileProtocolHandler", url});
 			return true;
-		} catch (PrivilegedActionException e) {
-			LWJGLUtil.log("Failed to open url (" + url + "): " + e.getCause().getMessage());
+		} catch (Exception e) {
+			LWJGLUtil.log("Failed to open url (" + url + "): " + e.getMessage());
 			return false;
 		}
 	}