diff --git a/flap/questions/retrolixToX86_64/Makefile b/flap/questions/retrolixToX86_64/Makefile
index 9c4324e..f32401e 100644
--- a/flap/questions/retrolixToX86_64/Makefile
+++ b/flap/questions/retrolixToX86_64/Makefile
@@ -5,17 +5,20 @@ main:
 	@echo make interpret
 	@echo make compilo
 
-interpret:
+build:
+	@cd ../.. && dune build --display=quiet
+
+interpret: build
 	@for f in $(wildcard *.$(TARGET)); do \
 		printf "%s: " $$f; \
 		./$(FLAP) -s $(TARGET) -d true -r true $$f; \
 		printf "\n"; \
 	done
 
-compilo:
+compilo: build
 	@for f in $(wildcard *.$(TARGET)); do \
 		printf "%s: " $$f; \
-		./$(FLAP) -t elf empty.retrolix $$f && \
+		./$(FLAP) -t elf $$f && \
 		./$${f%.*}.elf; \
 		printf "\n"; \
 	done