diff --git a/src/main/java/sockslib/common/SSLConfiguration.java b/src/main/java/sockslib/common/SSLConfiguration.java
index ef2c593..434e7b3 100644
--- a/src/main/java/sockslib/common/SSLConfiguration.java
+++ b/src/main/java/sockslib/common/SSLConfiguration.java
@@ -15,17 +15,12 @@
 package sockslib.common;
 
 import com.google.common.base.Strings;
-import sockslib.utils.PathUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import sockslib.utils.PathUtil;
 
 import javax.annotation.Nullable;
-import javax.net.ssl.KeyManagerFactory;
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.SSLServerSocketFactory;
-import javax.net.ssl.SSLSocketFactory;
-import javax.net.ssl.TrustManagerFactory;
-import java.io.File;
+import javax.net.ssl.*;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
@@ -34,6 +29,7 @@
 import java.util.Properties;
 
 import static com.google.common.base.Preconditions.checkNotNull;
+import static sockslib.utils.PathUtil.RESOURCE_SEPARATOR;
 
 /**
  * The class <code>SSLConfiguration</code> represents a configuration of SSL.
@@ -123,8 +119,8 @@ public static SSLConfiguration load(String filePath) throws FileNotFoundExceptio
   public static SSLConfiguration loadClassPath(String filePath) throws FileNotFoundException,
       IOException {
     checkNotNull(filePath, "Argument [filePath] may not be null");
-    if (!filePath.startsWith(File.separator)) {
-      filePath = File.separator + filePath;
+    if (!filePath.startsWith(RESOURCE_SEPARATOR)) {
+      filePath = RESOURCE_SEPARATOR + filePath;
     }
     URL url = SSLConfiguration.class.getResource(filePath);
     if (url == null) {
diff --git a/src/main/java/sockslib/utils/PathUtil.java b/src/main/java/sockslib/utils/PathUtil.java
index 84d6575..7133aa3 100644
--- a/src/main/java/sockslib/utils/PathUtil.java
+++ b/src/main/java/sockslib/utils/PathUtil.java
@@ -14,7 +14,6 @@
 
 package sockslib.utils;
 
-import java.io.File;
 import java.io.FileNotFoundException;
 import java.net.URL;
 
@@ -27,6 +26,8 @@
  */
 public class PathUtil {
 
+  public static final String RESOURCE_SEPARATOR = "/";
+
   /**
    * Returns abstract path.
    *
@@ -37,8 +38,8 @@ public class PathUtil {
   public static String getAbstractPath(String path) throws FileNotFoundException {
     if (path != null && path.startsWith("classpath:")) {
       String classPathValue = path.split(":")[1];
-      if (!classPathValue.startsWith(File.separator)) {
-        classPathValue = File.separator + classPathValue;
+      if (!classPathValue.startsWith(RESOURCE_SEPARATOR)) {
+        classPathValue = RESOURCE_SEPARATOR + classPathValue;
       }
 
       URL url = PathUtil.class.getResource(classPathValue);