diff --git a/software/apps/Makefile.inc b/software/apps/Makefile.inc
index 94c674a..6abe265 100755
--- a/software/apps/Makefile.inc
+++ b/software/apps/Makefile.inc
@@ -238,11 +238,11 @@ $(BUILD_DIR)/%.o: %.s
 $(BUILD_DIR)/%.o: $(STARTUP_DIR)/%.s
 	$(AS) $(ASFLAGS) -o $@ $<
 
-$(BUILD_DIR):
-	mkdir $(BUILD_DIR)
-
 $(BUILD_DIR)/%.o: $(DHRY_DIR)/%.c Makefile
 	$(CC) $(CFLAGS) $(OFLAGS) -o $@ -c $<
 
 $(BUILD_DIR)/%.o: $(CORE_DIR)/%.c Makefile
 	$(CC) $(CFLAGS) $(OFLAGS) $(FLAGS_STR) -o $@ -c $<
+
+$(BUILD_DIR):
+	mkdir $(BUILD_DIR)
diff --git a/software/zputa/Makefile b/software/zputa/Makefile
index 7ef6945..4b8eb0a 100644
--- a/software/zputa/Makefile
+++ b/software/zputa/Makefile
@@ -162,13 +162,13 @@ ASFLAGS         = -I. -I$(COMMON_DIR) -I$(INCLUDE_DIR) -I$(STARTUP_DIR) --defsym
 # Our target.
 all: $(BUILD_DIR) $(MAIN_PRJ_TO_BOOT) $(MAIN_PRJ_IN_BOOT) $(MAIN_PRJ_TINY_BOOT) $(MAIN_PRJ_RAM) $(ROMGEN)
 #
-$(MAIN_PRJ_TO_BOOT): $(MAIN_PRJ_TO_BOOT).bin $(MAIN_PRJ_TO_BOOT).srec $(MAIN_PRJ_TO_BOOT).rpt $(MAIN_PRJ_TO_BOOT).lss $(MAIN_PRJ_TO_BOOT).dmp $(MAIN_PRJ_TO_BOOT)_BOOTROM.vhd $(MAIN_PRJ_TO_BOOT)_COMBINEDBOOTROM.vhd $(MAIN_PRJ_TO_BOOT)_BOOTBRAM.vhd
+$(MAIN_PRJ_TO_BOOT): $(BUILD_DIR) $(MAIN_PRJ_TO_BOOT).bin $(MAIN_PRJ_TO_BOOT).srec $(MAIN_PRJ_TO_BOOT).rpt $(MAIN_PRJ_TO_BOOT).lss $(MAIN_PRJ_TO_BOOT).dmp $(MAIN_PRJ_TO_BOOT)_BOOTROM.vhd $(MAIN_PRJ_TO_BOOT)_COMBINEDBOOTROM.vhd $(MAIN_PRJ_TO_BOOT)_BOOTBRAM.vhd
 #
-$(MAIN_PRJ_IN_BOOT): $(MAIN_PRJ_IN_BOOT).bin $(MAIN_PRJ_IN_BOOT).srec $(MAIN_PRJ_IN_BOOT).rpt $(MAIN_PRJ_IN_BOOT).lss $(MAIN_PRJ_IN_BOOT).dmp $(MAIN_PRJ_IN_BOOT)_BOOTROM.vhd $(MAIN_PRJ_IN_BOOT)_COMBINEDBOOTBRAM.vhd
+$(MAIN_PRJ_IN_BOOT): $(BUILD_DIR) $(MAIN_PRJ_IN_BOOT).bin $(MAIN_PRJ_IN_BOOT).srec $(MAIN_PRJ_IN_BOOT).rpt $(MAIN_PRJ_IN_BOOT).lss $(MAIN_PRJ_IN_BOOT).dmp $(MAIN_PRJ_IN_BOOT)_BOOTROM.vhd $(MAIN_PRJ_IN_BOOT)_COMBINEDBOOTBRAM.vhd
 #
-$(MAIN_PRJ_TINY_BOOT): $(MAIN_PRJ_TINY_BOOT).bin $(MAIN_PRJ_TINY_BOOT).rpt $(MAIN_PRJ_TINY_BOOT).lss $(MAIN_PRJ_TINY_BOOT).dmp
+$(MAIN_PRJ_TINY_BOOT): $(BUILD_DIR) $(MAIN_PRJ_TINY_BOOT).bin $(MAIN_PRJ_TINY_BOOT).rpt $(MAIN_PRJ_TINY_BOOT).lss $(MAIN_PRJ_TINY_BOOT).dmp
 #
-$(MAIN_PRJ_RAM): $(MAIN_PRJ_RAM).bin $(MAIN_PRJ_RAM).srec $(MAIN_PRJ_RAM).rpt $(MAIN_PRJ_RAM).lss $(MAIN_PRJ_RAM).dmp $(MAIN_PRJ_RAM)_APPRAM.vhd $(MAIN_PRJ_RAM)_COMBINEDAPPRAM.vhd
+$(MAIN_PRJ_RAM): $(BUILD_DIR) $(MAIN_PRJ_RAM).bin $(MAIN_PRJ_RAM).srec $(MAIN_PRJ_RAM).rpt $(MAIN_PRJ_RAM).lss $(MAIN_PRJ_RAM).dmp $(MAIN_PRJ_RAM)_APPRAM.vhd $(MAIN_PRJ_RAM)_COMBINEDAPPRAM.vhd
 
 clean:
 	rm -f $(BUILD_DIR)/*.o *.hex *.lss *.elf *.map *.lst *.srec $(MAIN_PRJ_TO_BOOT) $(MAIN_PRJ_IN_BOOT).rom $(MAIN_PRJ_TINY_BOOT).rom $(MAIN_PRJ_RAM) *~ */*.o *.bin *.srec *.dmp *.vhd *.rpt