diff --git a/Makefile b/Makefile
index 877eaf5..2487475 100644
--- a/Makefile
+++ b/Makefile
@@ -96,7 +96,6 @@ BUILD_DIR         = build
 OBJ_DIR           = $(BUILD_DIR)/obj
 OBJ_FILES         = $(addprefix $(OBJ_DIR)/, $(addsuffix .o, $(SRC_FILES)))
 
-DEPS_DIR          = $(OBJ_DIR)
 DEPENDS           = $(OBJ_FILES:.o=.d)
 
 CFLAGS            = --code-model=large --data-model=large --list-file=$@.lst $(INCLUDES) $(CFLAGS_FOR_UNIT)
@@ -132,7 +131,7 @@ $(BUILD_DIR)/$(TARGET).bin: $(BUILD_DIR)/$(TARGET_ROM).s37
 
 $(OBJ_DIR)/%.c.o: %.c
 	@mkdir -p $(dir $@)
-	$(CC) -MMD -MP -MF$(DEPS_DIR)/$*.d $(CFLAGS) -o $@ $<
+	$(CC) -MMD -MP -MF$(patsubst %.o,%.d,$@) $(CFLAGS) -o $@ $<
 
 $(OBJ_DIR)/%.s.o: %.s
 	@mkdir -p $(dir $@)