diff --git a/programs/nstool/source/NpdmProcess.h b/programs/nstool/source/NpdmProcess.h
index d2538a9..36bef32 100644
--- a/programs/nstool/source/NpdmProcess.h
+++ b/programs/nstool/source/NpdmProcess.h
@@ -1,7 +1,7 @@
 #pragma once
 #include <string>
 #include <fnd/types.h>
-#include <fnd/SimpleFile.h>
+#include <fnd/IFile.h>
 #include <nx/NpdmBinary.h>
 
 #include "nstool.h"
diff --git a/programs/nstool/source/PfsProcess.cpp b/programs/nstool/source/PfsProcess.cpp
index 037c6b6..365ef4f 100644
--- a/programs/nstool/source/PfsProcess.cpp
+++ b/programs/nstool/source/PfsProcess.cpp
@@ -1,4 +1,5 @@
 #include "PfsProcess.h"
+#include <fnd/SimpleFile.h>
 #include <fnd/io.h>
 
 void PfsProcess::displayHeader()
diff --git a/programs/nstool/source/PfsProcess.h b/programs/nstool/source/PfsProcess.h
index 50145e0..7a07a80 100644
--- a/programs/nstool/source/PfsProcess.h
+++ b/programs/nstool/source/PfsProcess.h
@@ -1,7 +1,7 @@
 #pragma once
 #include <string>
 #include <fnd/types.h>
-#include <fnd/SimpleFile.h>
+#include <fnd/IFile.h>
 #include <nx/PfsHeader.h>
 
 #include "nstool.h"
diff --git a/programs/nstool/source/XciProcess.h b/programs/nstool/source/XciProcess.h
index 2036f88..5141515 100644
--- a/programs/nstool/source/XciProcess.h
+++ b/programs/nstool/source/XciProcess.h
@@ -1,7 +1,7 @@
 #pragma once
 #include <string>
 #include <fnd/types.h>
-#include <fnd/SimpleFile.h>
+#include <fnd/IFile.h>
 #include <nx/XciHeader.h>
 
 #include "nstool.h"