diff --git a/jParser/core/src/main/java/com/github/xpenatan/jparser/core/codeparser/DefaultCodeParser.java b/jParser/core/src/main/java/com/github/xpenatan/jparser/core/codeparser/DefaultCodeParser.java
index 0ae67e49..8c3f88cb 100644
--- a/jParser/core/src/main/java/com/github/xpenatan/jparser/core/codeparser/DefaultCodeParser.java
+++ b/jParser/core/src/main/java/com/github/xpenatan/jparser/core/codeparser/DefaultCodeParser.java
@@ -161,7 +161,7 @@ private boolean parserBlock(Node node, BlockComment blockComment) {
         return false;
     }
 
-    public boolean parseCodeBlock(Node node, String headerCommands, String content) {
+    protected boolean parseCodeBlock(Node node, String headerCommands, String content) {
         if(headerCommands.contains(CMD_ADD_RAW)) {
             setAddReplaceCMD(node, content, false, true);
             return true;
diff --git a/jParser/loader/loader-teavm/src/main/java/emu/com/github/xpenatan/jparser/loader/JParserLibraryLoader.java b/jParser/loader/loader-teavm/src/main/java/emu/com/github/xpenatan/jparser/loader/JParserLibraryLoader.java
index f49e9922..9dcbfc7a 100644
--- a/jParser/loader/loader-teavm/src/main/java/emu/com/github/xpenatan/jparser/loader/JParserLibraryLoader.java
+++ b/jParser/loader/loader-teavm/src/main/java/emu/com/github/xpenatan/jparser/loader/JParserLibraryLoader.java
@@ -1,5 +1,6 @@
 package emu.com.github.xpenatan.jparser.loader;
 
+import java.util.HashSet;
 import org.teavm.jso.browser.Window;
 import org.teavm.jso.dom.events.Event;
 import org.teavm.jso.dom.events.EventListener;
@@ -8,6 +9,8 @@
 
 public class JParserLibraryLoader {
 
+    private static HashSet<String> loadedLibraries = new HashSet<>();
+
     public JParserLibraryLoader() {
     }
 
@@ -26,19 +29,24 @@ public void load(String libraryName, Runnable runnable) {
     }
 
     public void load(String libraryName01, String libraryName02, Runnable runnable) {
+        String libPath = "assets/" + libraryName01 + ".js";;
+        if(loadedLibraries.contains(libPath)) {
+            return;
+        }
+
         if(libraryName02 != null) {
 
         }
         if(libraryName01 != null) {
-            libraryName01 = "assets/" + libraryName01 + ".js";
-            System.out.println("Loading JS script: " + libraryName01);
+            System.out.println("Loading JS script: " + libPath);
             Window current = Window.current();
             HTMLDocument document = current.getDocument();
             HTMLScriptElement scriptElement = (HTMLScriptElement)document.createElement("script");
-            scriptElement.setSrc(libraryName01);
+            scriptElement.setSrc(libPath);
             scriptElement.addEventListener("load", new EventListener<Event>() {
                 @Override
                 public void handleEvent(Event evt) {
+                    loadedLibraries.add(libPath);
                     if(runnable != null) {
                         runnable.run();
                     }
diff --git a/jParser/teavm/src/main/java/com/github/xpenatan/jparser/teavm/TeaVMCodeParser.java b/jParser/teavm/src/main/java/com/github/xpenatan/jparser/teavm/TeaVMCodeParser.java
index a59b6e2a..73354d96 100644
--- a/jParser/teavm/src/main/java/com/github/xpenatan/jparser/teavm/TeaVMCodeParser.java
+++ b/jParser/teavm/src/main/java/com/github/xpenatan/jparser/teavm/TeaVMCodeParser.java
@@ -583,4 +583,11 @@ public void onParserComplete(JParser jParser, ArrayList<JParserItem> parserItems
             convertCallerLongToInt(all);
         }
     }
+
+    @Override
+    protected boolean parseCodeBlock(Node node, String headerCommands, String content) {
+        // Replace custom code that contains module tag
+        String newContent = content.replace(TEMPLATE_TAG_MODULE, module);
+        return super.parseCodeBlock(node, headerCommands, newContent);
+    }
 }
\ No newline at end of file