AWTI/AWTI_import.cxx |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/AWTI/AWTI_import.cxx b/AWTI/AWTI_import.cxx
index 8e730ac..e3f9ff4 100644
--- a/AWTI/AWTI_import.cxx
+++ b/AWTI/AWTI_import.cxx
@@ -12,6 +12,7 @@
 #include <GEN.hxx>
 
 #include <climits>
+#include <unistd.h>
 
 using namespace std;