diff --git a/crypto/o_dir.c b/crypto/o_dir.c
index ded369f23..42891ea45 100644
--- a/crypto/o_dir.c
+++ b/crypto/o_dir.c
@@ -70,7 +70,7 @@
 #include "o_dir.h"
 
 #define LPDIR_H
-#if defined OPENSSL_SYS_UNIX
+#if defined OPENSSL_SYS_UNIX || defined DJGPP
 #include "LPdir_unix.c"
 #elif defined OPENSSL_SYS_VMS
 #include "LPdir_vms.c"