diff --git a/shadPS4/emulator/fileFormat/PSF.h b/shadPS4/emulator/fileFormat/PSF.h
index 820bfa33..a5e166d1 100644
--- a/shadPS4/emulator/fileFormat/PSF.h
+++ b/shadPS4/emulator/fileFormat/PSF.h
@@ -2,6 +2,7 @@
 
 #include <unordered_map>
 #include <vector>
+#include <string>
 #include "../../types.h"
 
 struct PSFHeader {