diff --git a/include/configs/SMN42.h b/include/configs/SMN42.h
index d6f41f9..05f6d9f 100644
--- a/include/configs/SMN42.h
+++ b/include/configs/SMN42.h
@@ -59,6 +59,7 @@
 /*
  * select serial console configuration
  */
+#define CONFIG_LPC2292_SERIAL
 #define CONFIG_SERIAL1		1	/* we use Serial line 1 */
 
 /* allow to overwrite serial and ethaddr */
diff --git a/include/configs/lpc2292sodimm.h b/include/configs/lpc2292sodimm.h
index fa2917e..1515038 100644
--- a/include/configs/lpc2292sodimm.h
+++ b/include/configs/lpc2292sodimm.h
@@ -59,6 +59,7 @@
 /*
  * select serial console configuration
  */
+#define CONFIG_LPC2292_SERIAL
 #define CONFIG_SERIAL1		1	/* we use Serial line 1 */
 
 /* allow to overwrite serial and ethaddr */