ParseAligns/abyss-fixmate.cc |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/ParseAligns/abyss-fixmate.cc b/ParseAligns/abyss-fixmate.cc
index 1a169cf..36cc05b 100644
--- a/ParseAligns/abyss-fixmate.cc
+++ b/ParseAligns/abyss-fixmate.cc
@@ -16,6 +16,7 @@
 #include <iterator>
 #include <sstream>
 #include <string>
+#include <unistd.h>
 
 using namespace std;