diff --git a/Makefile.toml b/Makefile.toml
index 00c987fb3..37661d323 100644
--- a/Makefile.toml
+++ b/Makefile.toml
@@ -40,7 +40,7 @@ script = "cargo install --path crates/mdbook-aquascope --locked"
 
 [tasks.playground-front]
 script = """
-export MIRI_SYROOT=$(cargo miri setup --print-sysroot)
+export MIRI_SYSROOT=$(cargo miri setup --print-sysroot)
 cd frontend && depot build -w
 """