1 files changed, 1 insertions, 0 deletions
diff --git a/include.mk b/include.mk
index ffdab72..cff83b7 100644
--- a/include.mk
+++ b/include.mk
@@ -81,6 +81,7 @@ endif
 
 ifdef RADIOHEAD_PATH
 CXXFLAGS += -I$(RADIOHEAD_PATH)
+CXXFLAGS += -DUSES_RADIOHEAD
 CXXFLAGS += -DRH_PLATFORM=RH_PLATFORM_GENERIC_AVR8
 CXXFLAGS += $(RADIOHEAD_OPTS)
 endif