diff --git a/src/fileio.h b/src/fileio.h
--- a/src/fileio.h
+++ b/src/fileio.h
@@ -21,6 +21,6 @@ bool FioCheckFileExists(const char *file
 void FioCreateDirectory(const char *filename);
 
 void AppendPathSeparator(char *buf, size_t buflen);
-void DeterminePaths();
+void DeterminePaths(const char *exe);
 
 #endif /* FILEIO_H */