diff --git a/tools/renesas/rcar_layout_create/makefile b/tools/renesas/rcar_layout_create/makefile
index d585754..01b3d62 100644
--- a/tools/renesas/rcar_layout_create/makefile
+++ b/tools/renesas/rcar_layout_create/makefile
@@ -113,8 +113,8 @@
 # Compile
 ###################################################
 
-%.o:../%.c
-	$(CC) -c -I $< -o $@
+%.o: %.c
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
 
 .PHONY: clean
 clean:
diff --git a/tools/renesas/rzg_layout_create/makefile b/tools/renesas/rzg_layout_create/makefile
index 2d438b9..92a0557 100644
--- a/tools/renesas/rzg_layout_create/makefile
+++ b/tools/renesas/rzg_layout_create/makefile
@@ -110,8 +110,8 @@
 # Compile
 ###################################################
 
-%.o:../%.c
-	$(CC) -c -I $< -o $@
+%.o: %.c
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
 
 .PHONY: clean
 clean: