diff --git a/make/Base.mk b/make/Base.mk
index 2a350d3..8da98ad 100644
--- a/make/Base.mk
+++ b/make/Base.mk
@@ -96,6 +96,7 @@ CPUFLAGS := -mcpu=cortex-m4 -mthumb
 
 ifneq ($(EVICSDK_FPU_SUPPORT),)
 	CPUFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
+	CFLAGS += -DEVICSDK_FPU_SUPPORT
 	LDSCRIPT := $(EVICSDK)/linker/fpu.ld
 else
 	LDSCRIPT := $(EVICSDK)/linker/nofpu.ld