diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 1cb7a77973..0a547c30fb 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -94,7 +94,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include <sys/mman.h>
 #include <time.h>
 #include <dirent.h>
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <sys/wait.h>
 #endif