1 files changed, 5 insertions, 2 deletions

diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index 75b810d98..f12073525 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -25,7 +25,7 @@ TMK_COMMON_SRC +=	$(COMMON_DIR)/host.c \
 
 ifeq ($(PLATFORM),AVR)
         TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/xprintf.S
-endif 
+endif
 
 ifeq ($(PLATFORM),CHIBIOS)
         TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c
@@ -124,7 +124,10 @@ ifeq ($(strip $(BLUETOOTH)), RN42)
 endif
 
 ifeq ($(strip $(ONEHAND_ENABLE)), yes)
-    TMK_COMMON_DEFS += -DONEHAND_ENABLE
+  SWAP_HANDS_ENABLE = yes # backwards compatibility
+endif
+ifeq ($(strip $(SWAP_HANDS_ENABLE)), yes)
+    TMK_COMMON_DEFS += -DSWAP_HANDS_ENABLE
 endif
 
 ifeq ($(strip $(NO_USB_STARTUP_CHECK)), yes)