diff --git a/Makefile b/Makefile
index 1352eb1..594eb63 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
+SHELL = /bin/bash -o pipefail
+
 all: test build
 
 build:
@@ -28,4 +30,7 @@ install: test
 
 publish: build test
 	cargo publish
-	(cd docsite; make deploysite)
\ No newline at end of file
+	(cd docsite; make deploysite)
+
+clean:
+	rm -f integration.log stdlibtest.log unittest.log
\ No newline at end of file