diff --git a/platform/openmote-cc2538/Makefile.openmote-cc2538 b/platform/openmote-cc2538/Makefile.openmote-cc2538
index 156599494..ef891fe3c 100644
--- a/platform/openmote-cc2538/Makefile.openmote-cc2538
+++ b/platform/openmote-cc2538/Makefile.openmote-cc2538
@@ -1,5 +1,10 @@
 # openmote-cc2538 platform makefile
 
+### Allow the OpenMote-CC2538 platform to support different CC2538 chip revisions
+ifeq ($(findstring REV_A1,$(BOARD_REVISION)),REV_A1)
+    CFLAGS+=-DCC2538_DEV_CONF=CC2538_DEV_CC2538SF23
+endif
+
 ifndef CONTIKI
   $(error CONTIKI not defined! You must specify where CONTIKI resides!)
 endif