diff --git a/src/main/java/org/raml/parser/tagresolver/ContextPath.java b/src/main/java/org/raml/parser/tagresolver/ContextPath.java
index 67fd2269..6bc1488d 100644
--- a/src/main/java/org/raml/parser/tagresolver/ContextPath.java
+++ b/src/main/java/org/raml/parser/tagresolver/ContextPath.java
@@ -17,7 +17,6 @@
 
 import static org.raml.parser.tagresolver.IncludeResolver.INCLUDE_APPLIED_TAG;
 
-import java.io.File;
 import java.util.ArrayDeque;
 import java.util.Deque;
 
@@ -104,7 +103,7 @@ public String resolveRelativePath(Tag tag)
 
     public static String getParentPath(String path)
     {
-        int idx = path.lastIndexOf(File.separatorChar) + 1;
+        int idx = path.lastIndexOf("/") + 1;
         return path.substring(0, idx);
     }