diff --git a/app/src/main/cpp/wavesynth-lib.cpp b/app/src/main/cpp/wavesynth-lib.cpp
index a33f830..0fc501c 100644
--- a/app/src/main/cpp/wavesynth-lib.cpp
+++ b/app/src/main/cpp/wavesynth-lib.cpp
@@ -324,6 +324,7 @@ JNIEXPORT jint JNICALL
 Java_org_bokontep_wavesynth_SynthEngine_sendMidiBend(JNIEnv *env, jobject thiz, jint channel,
                                                      jint low, jint high) {
     engine->handlePitchBend(channel,low,high);
+    return 0;
 }
 extern "C"
 JNIEXPORT jint JNICALL