1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 7bd45b86d..211be1435 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,7 @@ check: tsc yarn-install
 
 .PHONY: coverage
 coverage: tsc yarn-install
-	$(nyc) $(ava) 'build/**/*-test.js'
+	$(nyc) --all $(ava) 'build/**/*-test.js'