diff --git a/arm9/source/dumpOperations.cpp b/arm9/source/dumpOperations.cpp
index da2d83b..9df469a 100644
--- a/arm9/source/dumpOperations.cpp
+++ b/arm9/source/dumpOperations.cpp
@@ -23,6 +23,8 @@
 #include <unistd.h>
 #include <vector>
 
+#define copyBufSize 0x8000
+
 extern u8 copyBuf[copyBufSize];
 
 static sNDSHeaderExt ndsCardHeader;
diff --git a/arm9/source/fileOperations.cpp b/arm9/source/fileOperations.cpp
index 20e0619..1d708a4 100644
--- a/arm9/source/fileOperations.cpp
+++ b/arm9/source/fileOperations.cpp
@@ -12,6 +12,7 @@
 #include "screenshot.h"
 #include "language.h"
 
+#define copyBufSize 0x8000
 #define shaChunkSize 0x10000
 
 // u8* copyBuf = (u8*)0x02004000;
diff --git a/arm9/source/main.h b/arm9/source/main.h
index f35e22a..d22978c 100644
--- a/arm9/source/main.h
+++ b/arm9/source/main.h
@@ -17,6 +17,4 @@ extern int ownNitroFSMounted;
 extern bool applaunch;
 
 
-#define copyBufSize 0x8000
-
 #endif //MAIN_H