diff --git a/src/A3.cpp b/src/A3.cpp
index 1515c7201..5f334e7f8 100644
--- a/src/A3.cpp
+++ b/src/A3.cpp
@@ -31,6 +31,7 @@
 #include <sstream>
 #include <algorithm>
 #include <stdlib.h>
+#include <unistd.h>
 #include <sys/select.h>
 #include <Context.h>
 #include <Directory.h>
diff --git a/src/commands/CmdEdit.cpp b/src/commands/CmdEdit.cpp
index 2c870ef08..f8d2542ed 100644
--- a/src/commands/CmdEdit.cpp
+++ b/src/commands/CmdEdit.cpp
@@ -30,6 +30,7 @@
 #include <iostream>
 #include <sstream>
 #include <stdlib.h>
+#include <unistd.h>
 #include <Duration.h>
 #include <Context.h>
 #include <i18n.h>