--- a/RasterToSIISLP.cxx
+++ b/RasterToSIISLP.cxx
@@ -38,6 +38,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <vector>
+#include <cstdio>
 
 #include "SeikoSLPCommands.h"
 #include "SeikoInstrumentsVendorID.h"