diff --git a/jParser/idl/src/main/java/com/github/xpenatan/jparser/idl/parser/IDLClassGeneratorParser.java b/jParser/idl/src/main/java/com/github/xpenatan/jparser/idl/parser/IDLClassGeneratorParser.java
index e07a72d2..a803db68 100644
--- a/jParser/idl/src/main/java/com/github/xpenatan/jparser/idl/parser/IDLClassGeneratorParser.java
+++ b/jParser/idl/src/main/java/com/github/xpenatan/jparser/idl/parser/IDLClassGeneratorParser.java
@@ -62,6 +62,9 @@ public IDLClassGeneratorParser(String basePackage, String headerCMD, IDLReader i
         this.cppDir = cppDir;
         this.basePackage = basePackage;
         this.idlReader = idlReader;
+        if(this.cppDir != null) {
+            this.cppDir = this.cppDir.replace("\\", "/");
+        }
     }
 
     @Override
@@ -144,7 +147,11 @@ private HashMap<String, String> getClassCppPath() {
             for(String path : filesFromDir) {
                 if(!path.endsWith(".h"))
                     continue;
+                path = path.replace("\\", "/");
                 String include = path.replace(cppDir, "");
+                if(include.startsWith("/")) {
+                    include = include.replaceFirst("/", "");
+                }
                 String out = include.replace(".h", "");
 
                 Path p = Paths.get(out);