diff --git a/core/emulator.h b/core/emulator.h
index 9909760f2..d338fd11d 100644
--- a/core/emulator.h
+++ b/core/emulator.h
@@ -22,6 +22,7 @@
 #include <atomic>
 #include <map>
 #include <vector>
+#include <string>
 
 void loadGameSpecificSettings();
 void SaveSettings();