diff --git a/app/src/main/jni/input_bridge.c b/app/src/main/jni/input_bridge.c
index a0709877b..2b988cab2 100644
--- a/app/src/main/jni/input_bridge.c
+++ b/app/src/main/jni/input_bridge.c
@@ -37,7 +37,7 @@ JNIEXPORT void JNICALL Java_org_lwjgl_glfw_CallbackBridge_sendData(JNIEnv* env,
         return;
     }
     
-    printf("[SendData] type=%i, isJVMNull=%p\n", type, secondJavaVM == null);
+    printf("[SendData] type=%i, isJVMNull=%p\n", type, secondJavaVM == NULL);
     
     if (secondJavaVM != NULL) {
         char *data_c = (char*)(*env)->GetStringUTFChars(env, data, 0);