diff --git a/bindings/java/README.md b/bindings/java/README.md
index 8586dd3..58798ac 100644
--- a/bindings/java/README.md
+++ b/bindings/java/README.md
@@ -3,20 +3,20 @@
 ## Windows
 
 ```bat
-g++ -c -I..\..\blst\bindings -I..\..\src\ -I"%JAVA_HOME%\include" -I"%JAVA_HOME%\include\win32" c_kzg_4844_jni.c -o c_kzg_4844_jni.o
+g++ -c -I..\..\blst\bindings -I..\..\src\ -I"%JAVA_HOME%\include" -I"%JAVA_HOME%\include\win32" c_kzg_4844_jni.cpp -o c_kzg_4844_jni.o
 g++ -shared -o lib/ckzg4844jni.dll c_kzg_4844.o c_kzg_4844_jni.o -Wl,--add-stdcall-alias
 ```
 
 ## Linux
 
 ```bash
-g++ -c -fPIC -I../../blst/bindings -I../../src/ -I${JAVA_HOME}/include -I${JAVA_HOME}/include/linux c_kzg_4844_jni.c -o c_kzg_4844_jni.o
+g++ -c -fPIC -I../../blst/bindings -I../../src/ -I${JAVA_HOME}/include -I${JAVA_HOME}/include/linux c_kzg_4844_jni.cpp -o c_kzg_4844_jni.o
 g++ -shared -fPIC -o lib/libckzg4844jni.so c_kzg_4844.o c_kzg_4844_jni.o -lc
 ```
 
 ## Mac-OS
 
 ```bash
-g++ -c -fPIC -I../../blst/bindings -I../../src/ -I${JAVA_HOME}/include -I${JAVA_HOME}/include/darwin c_kzg_4844_jni.c -o c_kzg_4844_jni.o
+g++ -c -fPIC -I../../blst/bindings -I../../src/ -I${JAVA_HOME}/include -I${JAVA_HOME}/include/darwin c_kzg_4844_jni.cpp -o c_kzg_4844_jni.o
 g++ -dynamiclib -o lib/libckzg4844jni.dylib c_kzg_4844.o c_kzg_4844_jni.o -lc
 ```
diff --git a/bindings/java/c_kzg_4844_jni.cpp b/bindings/java/c_kzg_4844_jni.cpp
index 5fa1972..a313ba9 100644
--- a/bindings/java/c_kzg_4844_jni.cpp
+++ b/bindings/java/c_kzg_4844_jni.cpp
@@ -30,6 +30,8 @@ JNIEXPORT void JNICALL Java_CKzg4844JNI_loadTrustedSetup(JNIEnv *env, jclass thi
 
   fclose(f);
   env->ReleaseStringUTFChars(file, file_native);
+
+  printf("Loaded Trusted Setup");
 }
 
 JNIEXPORT void JNICALL Java_CKzg4844JNI_freeTrustedSetup(JNIEnv *env, jclass thisCls)