diff --git a/module/jni/include/map_parser.hpp b/module/jni/include/map_parser.hpp
index 6a7d279..b663933 100644
--- a/module/jni/include/map_parser.hpp
+++ b/module/jni/include/map_parser.hpp
@@ -1,3 +1,4 @@
+#pragma once
 #include <sstream>
 #include <string>
 #include <vector>
diff --git a/module/jni/main.cpp b/module/jni/main.cpp
index 64a93f6..3a9da58 100644
--- a/module/jni/main.cpp
+++ b/module/jni/main.cpp
@@ -96,6 +96,7 @@ public:
 
         int companionFd = -1;
         ASSERT_LOG("preAppSpecialize", (companionFd = api->connectCompanion()) != -1);
+        ASSERT_LOG("preAppSpecialize", companionFd != -1 && api->exemptFd(companionFd));
 
         callbackFunction = [fd = companionFd]()
         {