diff --git a/src/include/port/dgux.h b/src/include/port/dgux.h
index 0d2f99a6fd62a3dcef7fcdc5e8921b415a34f22e..e99e3dbc2ca44bd2c1bc43acfb341e277cedb7e9 100644
--- a/src/include/port/dgux.h
+++ b/src/include/port/dgux.h
@@ -1,5 +1,6 @@
 #define LINUX_ELF
 #define USE_POSIX_SIGNALS
+#define USE_POSIX_TIME
 #ifndef         BYTE_ORDER
 # define         BYTE_ORDER      BIG_ENDIAN
 #endif