diff --git a/orte/mca/pls/base/pls_base_reuse_daemon_launch.c b/orte/mca/pls/base/pls_base_reuse_daemon_launch.c
index 32acd6a343..05e856b10f 100644
--- a/orte/mca/pls/base/pls_base_reuse_daemon_launch.c
+++ b/orte/mca/pls/base/pls_base_reuse_daemon_launch.c
@@ -17,6 +17,10 @@
  *
  */
 
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
 #include "orte_config.h"
 #include "orte/orte_constants.h"