diff --git a/server/TracyWorker.hpp b/server/TracyWorker.hpp
index b2f9a3d1..df6d4623 100644
--- a/server/TracyWorker.hpp
+++ b/server/TracyWorker.hpp
@@ -10,6 +10,7 @@
 #include <string>
 #include <string.h>
 #include <thread>
+#include <unordered_map>
 #include <vector>
 
 #include "../common/TracyForceInline.hpp"