diff --git a/Makefile b/Makefile
index 6fad98a621..db7ec781f6 100644
--- a/Makefile
+++ b/Makefile
@@ -35,7 +35,7 @@ EXE_SCHEMA := ./dist/$(package)-schema
 # Additionally, if stack is being used with nix, environment variables do not
 # make it into the shell where hspec is run, to tackle that this variable is
 # also exported in stack-deps.nix.
-export HSPEC_OPTIONS ?= --fail-on-focused
+export HSPEC_OPTIONS ?= --fail-on=focused
 
 default: install