diff --git a/ddprof-lib/src/main/cpp/socketTracer.h b/ddprof-lib/src/main/cpp/socketTracer.h
index d7ce63006..0ba908c45 100644
--- a/ddprof-lib/src/main/cpp/socketTracer.h
+++ b/ddprof-lib/src/main/cpp/socketTracer.h
@@ -82,6 +82,7 @@ class SocketTracer {
   static void patchLibraries() {}
   static void unpatchLibraries() {}
   static bool isInitialized() { return false; }
+  static bool isNettyLibrary(const char*) { return false; }
 };
 
 #endif  // __linux__
diff --git a/ddprof-lib/src/main/cpp/socketTracer_linux.cpp b/ddprof-lib/src/main/cpp/socketTracer_linux.cpp
index 7a2186bdd..ac502fb8a 100644
--- a/ddprof-lib/src/main/cpp/socketTracer_linux.cpp
+++ b/ddprof-lib/src/main/cpp/socketTracer_linux.cpp
@@ -381,6 +381,7 @@ void SocketTracer::unpatchLibraries() {
 #undef UNPATCH
     }
     _patched_count = 0;
+    _initialized   = false;
     _orig_read       = nullptr;
     _orig_write      = nullptr;
     _orig_readv      = nullptr;