diff --git a/Makefile b/Makefile
index 0e89794..848a29f 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ endif
 default: build
 
 debug: build
-	GOTRACEBACK=all FETA_DEBUG=1 ./$(FN)
+	GOTRACEBACK=all FETA_DEBUG=1 ./$(FN) 2>&1 | tee -a debug.log
 
 run: build
 	./$(FN)