diff --git a/src/plugins/accounting_storage/filetxt/accounting_storage_filetxt.c b/src/plugins/accounting_storage/filetxt/accounting_storage_filetxt.c
index 881d699aee25b0f18a14f198c86b9dea023a25ad..1fd8244926f7f7ee5a646b6b47308ea64932d69c 100644
--- a/src/plugins/accounting_storage/filetxt/accounting_storage_filetxt.c
+++ b/src/plugins/accounting_storage/filetxt/accounting_storage_filetxt.c
@@ -37,6 +37,8 @@
 \*****************************************************************************/
 
 #include <string.h>
+#include <unistd.h>
+
 #include "src/common/slurm_xlator.h"
 #include "src/common/slurm_accounting_storage.h"
 #include "filetxt_jobacct_process.h"