diff --git a/boinc/configure.ac b/boinc/configure.ac

index c6698b3..0c52c19 100644

--- a/boinc/configure.ac

+++ b/boinc/configure.ac

@@ -563,6 +563,8 @@ AH_TOP([

 #ifndef BOINC_CONFIG_H

 #define BOINC_CONFIG_H

+#include <unistd.h>

+

 /* Version defines are now in version.h */

 #include "version.h"

diff --git a/boinc/tools/process_input_template.cpp b/boinc/tools/process_input_template.cpp

index a8fbf4a..c783cf0 100644

--- a/boinc/tools/process_input_template.cpp

+++ b/boinc/tools/process_input_template.cpp

@@ -15,6 +15,7 @@

 // You should have received a copy of the GNU Lesser General Public License

 // along with BOINC.  If not, see <http://www.gnu.org/licenses/>.

+#include <unistd.h>

 #include <stdio.h>

 #include <string>

 #include <sys/types.h>