diff --git a/tools/rospack/rp_main.cpp b/tools/rospack/rp_main.cpp
index 4e063e31..841bcf64 100644
--- a/tools/rospack/rp_main.cpp
+++ b/tools/rospack/rp_main.cpp
@@ -29,6 +29,7 @@
 #include <boost/program_options.hpp>
 #include <iostream>
 #include <stdlib.h>
+#include <stdio.h>
 
 namespace po = boost::program_options;