diff --git a/graphwalker-java/src/main/java/org/graphwalker/java/test/TestExecutor.java b/graphwalker-java/src/main/java/org/graphwalker/java/test/TestExecutor.java
index 8bde1e028..3cfff7152 100644
--- a/graphwalker-java/src/main/java/org/graphwalker/java/test/TestExecutor.java
+++ b/graphwalker-java/src/main/java/org/graphwalker/java/test/TestExecutor.java
@@ -185,7 +185,7 @@ private void configureContext(Context context) throws IOException {
       } else {
         for (Context examineContext : contexts) {
           try {
-            if (Class.forName(path.getParent().toString().replace('/', '.') + "." + examineContext.getModel().getName()).isAssignableFrom(context.getClass())) {
+            if (Class.forName(path.getParent().toString().replace(File.separatorChar, '.') + "." + examineContext.getModel().getName()).isAssignableFrom(context.getClass())) {
               context.setModel(examineContext.getModel());
               context.setNextElement(examineContext.getNextElement());