diff --git a/src/platforms/f3/Makefile.inc b/src/platforms/f3/Makefile.inc
index 66351c5..c7dc25a 100644
--- a/src/platforms/f3/Makefile.inc
+++ b/src/platforms/f3/Makefile.inc
@@ -8,7 +8,7 @@ CFLAGS += -Istm32/include -mcpu=cortex-m4 -mthumb \
 	-DDFU_SERIAL_LENGTH=13 -Iplatforms/stm32
 
 LDFLAGS =  --specs=nano.specs -lopencm3_stm32f3 \
-	-Wl,-T,platforms/f3-if/stm32f303xc.ld -nostartfiles -lc -lnosys \
+	-Wl,-T,platforms/stm32/stm32f303xc.ld -nostartfiles -lc -lnosys \
 	-Wl,-Map=mapfile -mthumb -mcpu=cortex-m4 -Wl,-gc-sections \
 	-mfloat-abi=hard -mfpu=fpv4-sp-d16 \
 	-L../libopencm3/lib
@@ -24,6 +24,12 @@ SRC += 	cdcacm.c	\
 	timing_stm32.c	\
 
 all:	blackmagic.bin
+blackmagic.elf: libopencm3_stm32f3
+
+libopencm3_stm32f3:
+	$(Q)$(MAKE) $(MFLAGS) -C ../libopencm3 lib/stm32/f3
 
 host_clean:
 	-$(Q)$(RM) blackmagic.bin
+
+.PHONY: libopencm3_stm32f3
diff --git a/src/platforms/f3/stm32f303xc.ld b/src/platforms/stm32/stm32f303xc.ld
similarity index 100%
rename from src/platforms/f3/stm32f303xc.ld
rename to src/platforms/stm32/stm32f303xc.ld